diff --git a/change/@fluentui-api-docs-547d7f43-a564-4a94-8b76-ccac1d127503.json b/change/@fluentui-api-docs-547d7f43-a564-4a94-8b76-ccac1d127503.json
new file mode 100644
index 00000000000000..ccf816fb50cd4e
--- /dev/null
+++ b/change/@fluentui-api-docs-547d7f43-a564-4a94-8b76-ccac1d127503.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/api-docs",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-azure-themes-d9280534-3eff-4fdf-a6bc-be748554f4e5.json b/change/@fluentui-azure-themes-d9280534-3eff-4fdf-a6bc-be748554f4e5.json
new file mode 100644
index 00000000000000..5342a8fb7c41c2
--- /dev/null
+++ b/change/@fluentui-azure-themes-d9280534-3eff-4fdf-a6bc-be748554f4e5.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/azure-themes",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-bundle-size-b9d69f12-1e5a-4ab0-a35e-d09977045174.json b/change/@fluentui-bundle-size-b9d69f12-1e5a-4ab0-a35e-d09977045174.json
new file mode 100644
index 00000000000000..dac472bf403e2b
--- /dev/null
+++ b/change/@fluentui-bundle-size-b9d69f12-1e5a-4ab0-a35e-d09977045174.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/bundle-size",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-codemods-34cab244-094a-4969-ac94-ebe5e1973447.json b/change/@fluentui-codemods-34cab244-094a-4969-ac94-ebe5e1973447.json
new file mode 100644
index 00000000000000..d98f979501b4cb
--- /dev/null
+++ b/change/@fluentui-codemods-34cab244-094a-4969-ac94-ebe5e1973447.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/codemods",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-cra-template-f85dc73c-080a-4d6a-83da-9c7b2f113e85.json b/change/@fluentui-cra-template-f85dc73c-080a-4d6a-83da-9c7b2f113e85.json
new file mode 100644
index 00000000000000..a6d3a080aab7f8
--- /dev/null
+++ b/change/@fluentui-cra-template-f85dc73c-080a-4d6a-83da-9c7b2f113e85.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/cra-template",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-date-time-utilities-b3bfe513-6a87-40b9-b6be-25ea898995ff.json b/change/@fluentui-date-time-utilities-b3bfe513-6a87-40b9-b6be-25ea898995ff.json
new file mode 100644
index 00000000000000..5b9f2e6872bfad
--- /dev/null
+++ b/change/@fluentui-date-time-utilities-b3bfe513-6a87-40b9-b6be-25ea898995ff.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/date-time-utilities",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-dom-utilities-4679a570-4427-4582-828f-21a307877379.json b/change/@fluentui-dom-utilities-4679a570-4427-4582-828f-21a307877379.json
new file mode 100644
index 00000000000000..a55f5c0d14d283
--- /dev/null
+++ b/change/@fluentui-dom-utilities-4679a570-4427-4582-828f-21a307877379.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/dom-utilities",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-eslint-plugin-595f5ece-71ae-4667-89ac-8c5fa156d1b5.json b/change/@fluentui-eslint-plugin-595f5ece-71ae-4667-89ac-8c5fa156d1b5.json
new file mode 100644
index 00000000000000..edcd2fe96bd864
--- /dev/null
+++ b/change/@fluentui-eslint-plugin-595f5ece-71ae-4667-89ac-8c5fa156d1b5.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/eslint-plugin",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-example-data-8b93f3aa-682e-4dfe-b904-bd586a469ef4.json b/change/@fluentui-example-data-8b93f3aa-682e-4dfe-b904-bd586a469ef4.json
new file mode 100644
index 00000000000000..71e0263d2a6383
--- /dev/null
+++ b/change/@fluentui-example-data-8b93f3aa-682e-4dfe-b904-bd586a469ef4.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/example-data",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-font-icons-mdl2-ecfb000c-c697-4255-a724-84eb03709baf.json b/change/@fluentui-font-icons-mdl2-ecfb000c-c697-4255-a724-84eb03709baf.json
new file mode 100644
index 00000000000000..1ba15f8d095457
--- /dev/null
+++ b/change/@fluentui-font-icons-mdl2-ecfb000c-c697-4255-a724-84eb03709baf.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/font-icons-mdl2",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-foundation-legacy-7a70614a-1023-42e9-a040-cdd6bd8dfcd1.json b/change/@fluentui-foundation-legacy-7a70614a-1023-42e9-a040-cdd6bd8dfcd1.json
new file mode 100644
index 00000000000000..8061df93b4f957
--- /dev/null
+++ b/change/@fluentui-foundation-legacy-7a70614a-1023-42e9-a040-cdd6bd8dfcd1.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/foundation-legacy",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-jest-serializer-merge-styles-acdb62d1-5192-4a4b-845d-0b15cf5ac3d3.json b/change/@fluentui-jest-serializer-merge-styles-acdb62d1-5192-4a4b-845d-0b15cf5ac3d3.json
new file mode 100644
index 00000000000000..875df00791140e
--- /dev/null
+++ b/change/@fluentui-jest-serializer-merge-styles-acdb62d1-5192-4a4b-845d-0b15cf5ac3d3.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/jest-serializer-merge-styles",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-keyboard-key-9d0a5c42-23b7-4a7b-bd19-904294d4da32.json b/change/@fluentui-keyboard-key-9d0a5c42-23b7-4a7b-bd19-904294d4da32.json
new file mode 100644
index 00000000000000..c56ba586309a98
--- /dev/null
+++ b/change/@fluentui-keyboard-key-9d0a5c42-23b7-4a7b-bd19-904294d4da32.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/keyboard-key",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-merge-styles-94e6bd56-0436-4a2f-bf10-824026f427d3.json b/change/@fluentui-merge-styles-94e6bd56-0436-4a2f-bf10-824026f427d3.json
new file mode 100644
index 00000000000000..25b12f1fea6a0e
--- /dev/null
+++ b/change/@fluentui-merge-styles-94e6bd56-0436-4a2f-bf10-824026f427d3.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/merge-styles",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-public-docsite-setup-858530f2-5fc5-4407-b65b-5d31ca395559.json b/change/@fluentui-public-docsite-setup-858530f2-5fc5-4407-b65b-5d31ca395559.json
new file mode 100644
index 00000000000000..bc9718281c37d8
--- /dev/null
+++ b/change/@fluentui-public-docsite-setup-858530f2-5fc5-4407-b65b-5d31ca395559.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/public-docsite-setup",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-react-cards-8dbfea4e-fd35-480f-bc7f-fbb3810249ec.json b/change/@fluentui-react-cards-8dbfea4e-fd35-480f-bc7f-fbb3810249ec.json
new file mode 100644
index 00000000000000..f3a914e1f33947
--- /dev/null
+++ b/change/@fluentui-react-cards-8dbfea4e-fd35-480f-bc7f-fbb3810249ec.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/react-cards",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-react-charting-2ae44c30-d25d-4224-878a-8d0639f56f83.json b/change/@fluentui-react-charting-2ae44c30-d25d-4224-878a-8d0639f56f83.json
new file mode 100644
index 00000000000000..68572a81671c68
--- /dev/null
+++ b/change/@fluentui-react-charting-2ae44c30-d25d-4224-878a-8d0639f56f83.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/react-charting",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-react-conformance-0f52a097-ea6e-44dc-aa1f-385746e8ba6b.json b/change/@fluentui-react-conformance-0f52a097-ea6e-44dc-aa1f-385746e8ba6b.json
new file mode 100644
index 00000000000000..e2e2ea15d8c4b6
--- /dev/null
+++ b/change/@fluentui-react-conformance-0f52a097-ea6e-44dc-aa1f-385746e8ba6b.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/react-conformance",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-react-date-time-d7b945c3-b761-4359-9b3e-a787e05b9061.json b/change/@fluentui-react-date-time-d7b945c3-b761-4359-9b3e-a787e05b9061.json
new file mode 100644
index 00000000000000..dc527a54a54a73
--- /dev/null
+++ b/change/@fluentui-react-date-time-d7b945c3-b761-4359-9b3e-a787e05b9061.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/react-date-time",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-react-docsite-components-41bb350f-e27f-4a37-aa3f-93e40305ecb6.json b/change/@fluentui-react-docsite-components-41bb350f-e27f-4a37-aa3f-93e40305ecb6.json
new file mode 100644
index 00000000000000..546630b2900286
--- /dev/null
+++ b/change/@fluentui-react-docsite-components-41bb350f-e27f-4a37-aa3f-93e40305ecb6.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/react-docsite-components",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-react-file-type-icons-f3ff4bf8-d309-4a7c-a3b2-02ffe5992db6.json b/change/@fluentui-react-file-type-icons-f3ff4bf8-d309-4a7c-a3b2-02ffe5992db6.json
new file mode 100644
index 00000000000000..ed13f3806235f8
--- /dev/null
+++ b/change/@fluentui-react-file-type-icons-f3ff4bf8-d309-4a7c-a3b2-02ffe5992db6.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/react-file-type-icons",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-react-icons-mdl2-branded-512fd03e-cc32-44aa-88fe-62c6bf37df99.json b/change/@fluentui-react-icons-mdl2-branded-512fd03e-cc32-44aa-88fe-62c6bf37df99.json
new file mode 100644
index 00000000000000..b42aae930efdbd
--- /dev/null
+++ b/change/@fluentui-react-icons-mdl2-branded-512fd03e-cc32-44aa-88fe-62c6bf37df99.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/react-icons-mdl2-branded",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-react-window-provider-b4744fd9-b509-43bf-86ac-21cab35fac1e.json b/change/@fluentui-react-window-provider-b4744fd9-b509-43bf-86ac-21cab35fac1e.json
new file mode 100644
index 00000000000000..9d3cbe16461bdd
--- /dev/null
+++ b/change/@fluentui-react-window-provider-b4744fd9-b509-43bf-86ac-21cab35fac1e.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/react-window-provider",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-set-version-00dd38f2-8ae0-4949-b243-6d2e56befc0e.json b/change/@fluentui-set-version-00dd38f2-8ae0-4949-b243-6d2e56befc0e.json
new file mode 100644
index 00000000000000..7c7c244a636069
--- /dev/null
+++ b/change/@fluentui-set-version-00dd38f2-8ae0-4949-b243-6d2e56befc0e.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/set-version",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-test-utilities-2b87aec7-698a-41ed-a226-a9ca03662e8e.json b/change/@fluentui-test-utilities-2b87aec7-698a-41ed-a226-a9ca03662e8e.json
new file mode 100644
index 00000000000000..221b9801e9b196
--- /dev/null
+++ b/change/@fluentui-test-utilities-2b87aec7-698a-41ed-a226-a9ca03662e8e.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/test-utilities",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-theme-d092ed70-5637-464a-ab27-c56ddf26337b.json b/change/@fluentui-theme-d092ed70-5637-464a-ab27-c56ddf26337b.json
new file mode 100644
index 00000000000000..bebe9bcdd0627a
--- /dev/null
+++ b/change/@fluentui-theme-d092ed70-5637-464a-ab27-c56ddf26337b.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/theme",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/change/@fluentui-webpack-utilities-ecd3a551-8f4f-408b-9c8c-bc62b6ded90b.json b/change/@fluentui-webpack-utilities-ecd3a551-8f4f-408b-9c8c-bc62b6ded90b.json
new file mode 100644
index 00000000000000..1316793f82dc5c
--- /dev/null
+++ b/change/@fluentui-webpack-utilities-ecd3a551-8f4f-408b-9c8c-bc62b6ded90b.json
@@ -0,0 +1,7 @@
+{
+  "type": "none",
+  "comment": "chore: enable isolateModules",
+  "packageName": "@fluentui/webpack-utilities",
+  "email": "martinhochel@microsoft.com",
+  "dependentChangeType": "none"
+}
diff --git a/packages/a11y-testing/tsconfig.json b/packages/a11y-testing/tsconfig.json
index 96ccddcc8fa012..99e54cde6cd9fb 100644
--- a/packages/a11y-testing/tsconfig.json
+++ b/packages/a11y-testing/tsconfig.json
@@ -18,7 +18,8 @@
     "skipLibCheck": true,
     "preserveConstEnums": true,
     "lib": ["es2017", "dom"],
-    "types": ["jest"]
+    "types": ["jest"],
+    "isolatedModules": true
   },
   "include": ["src"]
 }
diff --git a/packages/api-docs/src/const-enum-overrides.ts b/packages/api-docs/src/const-enum-overrides.ts
new file mode 100644
index 00000000000000..805bc12117ccb6
--- /dev/null
+++ b/packages/api-docs/src/const-enum-overrides.ts
@@ -0,0 +1,101 @@
+/**
+ * ☝️ NOTE:
+ * Types in this file provide const enums replacement that will compile with isolatedModules
+ */
+
+import type { ApiItemKind as _ApiItemKind } from '@microsoft/api-extractor-model';
+
+import type { DocNodeKind as _DocNodeKind } from '@microsoft/tsdoc';
+
+export enum ApiItemKind {
+  CallSignature = 'CallSignature',
+  Class = 'Class',
+  Constructor = 'Constructor',
+  ConstructSignature = 'ConstructSignature',
+  EntryPoint = 'EntryPoint',
+  Enum = 'Enum',
+  EnumMember = 'EnumMember',
+  Function = 'Function',
+  IndexSignature = 'IndexSignature',
+  Interface = 'Interface',
+  Method = 'Method',
+  MethodSignature = 'MethodSignature',
+  Model = 'Model',
+  Namespace = 'Namespace',
+  Package = 'Package',
+  Property = 'Property',
+  PropertySignature = 'PropertySignature',
+  TypeAlias = 'TypeAlias',
+  Variable = 'Variable',
+  None = 'None',
+}
+
+export enum DocNodeKind {
+  Block = 'Block',
+  BlockTag = 'BlockTag',
+  Excerpt = 'Excerpt',
+  FencedCode = 'FencedCode',
+  CodeSpan = 'CodeSpan',
+  Comment = 'Comment',
+  DeclarationReference = 'DeclarationReference',
+  ErrorText = 'ErrorText',
+  EscapedText = 'EscapedText',
+  HtmlAttribute = 'HtmlAttribute',
+  HtmlEndTag = 'HtmlEndTag',
+  HtmlStartTag = 'HtmlStartTag',
+  InheritDocTag = 'InheritDocTag',
+  InlineTag = 'InlineTag',
+  LinkTag = 'LinkTag',
+  MemberIdentifier = 'MemberIdentifier',
+  MemberReference = 'MemberReference',
+  MemberSelector = 'MemberSelector',
+  MemberSymbol = 'MemberSymbol',
+  Paragraph = 'Paragraph',
+  ParamBlock = 'ParamBlock',
+  ParamCollection = 'ParamCollection',
+  PlainText = 'PlainText',
+  Section = 'Section',
+  SoftBreak = 'SoftBreak',
+}
+
+// Following function is used to keep 3rd party types in sync with our custom ones. test on "type level"
+// If anything will go wrong this will throw TSC error
+//
+// Why do we need this?
+// To be able to use `isolateModules` we cannot use nor consume const enums.
+// @ts-expect-error -  this function is only for type compat test
+
+function _testEnumsCompatibility() {
+  testApiItemKind();
+  testDocNodeKind();
+
+  function testDocNodeKind() {
+    // @ts-expect-error - _DocNodeKind is const enum - cannot be used with isolateModules - this does the trick
+    type Keys = keyof typeof _DocNodeKind;
+    type Keys2 = keyof typeof DocNodeKind;
+
+    let test = {} as Keys;
+    let test2 = {} as Keys2;
+
+    test = test2;
+    test2 = test;
+
+    // eslint-disable-next-line no-console
+    console.log(test, test2);
+  }
+
+  function testApiItemKind() {
+    // @ts-expect-error - _ApiItemKind is const enum - cannot be used with isolateModules - this does the trick
+    type Keys = keyof typeof _ApiItemKind;
+    type Keys2 = keyof typeof ApiItemKind;
+
+    let test = {} as Keys;
+    let test2 = {} as Keys2;
+
+    test = test2;
+    test2 = test;
+
+    // eslint-disable-next-line no-console
+    console.log(test, test2);
+  }
+}
diff --git a/packages/api-docs/src/pageJson.ts b/packages/api-docs/src/pageJson.ts
index d5a9928ef8bdd6..bc453999748115 100644
--- a/packages/api-docs/src/pageJson.ts
+++ b/packages/api-docs/src/pageJson.ts
@@ -1,4 +1,5 @@
-import { ApiItem, ApiItemKind, ApiDocumentedItem, ApiModel } from '@microsoft/api-extractor-model';
+import { ApiItem, ApiDocumentedItem, ApiModel } from '@microsoft/api-extractor-model';
+import { ApiItemKind } from './const-enum-overrides';
 import { findInlineTagByName } from './rendering';
 import { ICollectedData } from './types-private';
 import { ITableJson, IPageJson, PageGroups } from './types';
@@ -68,7 +69,11 @@ function initPageDataForItem(
   groupsByPage: { [pageName: string]: string },
   fallbackGroup?: string,
 ): void {
-  if (supportedApiItems.includes(apiItem.kind) && apiItem instanceof ApiDocumentedItem && apiItem.tsdocComment) {
+  if (
+    supportedApiItems.includes((apiItem.kind as unknown) as ApiItemKind) &&
+    apiItem instanceof ApiDocumentedItem &&
+    apiItem.tsdocComment
+  ) {
     const docCategoryTag = findInlineTagByName('@docCategory', apiItem.tsdocComment);
 
     if (docCategoryTag) {
diff --git a/packages/api-docs/src/rendering.ts b/packages/api-docs/src/rendering.ts
index e4cbea1f65d353..771ccdb06de9cf 100644
--- a/packages/api-docs/src/rendering.ts
+++ b/packages/api-docs/src/rendering.ts
@@ -1,7 +1,6 @@
 import {
   DocExcerpt,
   DocInlineTag,
-  DocNodeKind,
   DocSection,
   DocComment,
   DocPlainText,
@@ -14,6 +13,7 @@ import {
   DocBlock,
 } from '@microsoft/tsdoc';
 import { ApiItem, ApiModel, ExcerptToken, IExcerptTokenRange } from '@microsoft/api-extractor-model';
+import { DocNodeKind } from './const-enum-overrides';
 import { ILinkToken } from './types';
 import { ICollectedData } from './types-private';
 
diff --git a/packages/api-docs/src/tableJson.ts b/packages/api-docs/src/tableJson.ts
index 0171ce1b2c8c82..6082e13e7f172e 100644
--- a/packages/api-docs/src/tableJson.ts
+++ b/packages/api-docs/src/tableJson.ts
@@ -3,19 +3,19 @@ import {
   ApiEnum,
   ApiEnumMember,
   ApiInterface,
-  ApiItemKind,
   ApiTypeAlias,
   ApiDeclaredItem,
   HeritageType,
   ApiItem,
 } from '@microsoft/api-extractor-model';
+import { ApiItemKind } from './const-enum-overrides';
 import { ITableJson, ITableRowJson } from './types';
 import { renderDocNodeWithoutInlineTag, getTokenHyperlinks, renderNodes } from './rendering';
 import { ICollectedData } from './types-private';
 import { createTableRowJson, createEnumTableRowJson } from './tableRowJson';
 
 export function createTableJson(collectedData: ICollectedData, apiItem: ApiItem): ITableJson | undefined {
-  switch (apiItem.kind) {
+  switch ((apiItem.kind as unknown) as ApiItemKind) {
     case ApiItemKind.Interface: {
       return createInterfacePageJson(collectedData, apiItem as ApiInterface);
     }
diff --git a/packages/api-docs/src/tableRowJson.ts b/packages/api-docs/src/tableRowJson.ts
index b27a2d746f2dfb..5ab3ce5228b85a 100644
--- a/packages/api-docs/src/tableRowJson.ts
+++ b/packages/api-docs/src/tableRowJson.ts
@@ -2,7 +2,6 @@ import {
   ApiDeclaredItem,
   ExcerptToken,
   IExcerptTokenRange,
-  ApiItemKind,
   ApiPropertySignature,
   ApiMethodSignature,
   ApiEnumMember,
@@ -11,6 +10,7 @@ import {
   ApiConstructor,
   ApiMethod,
 } from '@microsoft/api-extractor-model';
+import { ApiItemKind } from './const-enum-overrides';
 import { ICollectedData } from './types-private';
 import { ITableRowJson, IEnumTableRowJson } from './types';
 import {
@@ -23,8 +23,9 @@ import {
 
 export function createTableRowJson(collectedData: ICollectedData, apiItem: ApiItem): ITableRowJson | undefined {
   let tableRowJson: ITableRowJson | undefined;
+  const apiKind = (apiItem.kind as unknown) as ApiItemKind;
 
-  switch (apiItem.kind) {
+  switch (apiKind) {
     case ApiItemKind.Property:
     case ApiItemKind.PropertySignature: {
       const apiProperty = apiItem as ApiPropertySignature | ApiProperty;
@@ -50,7 +51,7 @@ export function createTableRowJson(collectedData: ICollectedData, apiItem: ApiIt
         apiMethod.excerpt.tokenRange,
       );
 
-      if (apiMethod.kind === ApiItemKind.Constructor) {
+      if (((apiMethod.kind as unknown) as ApiItemKind) === ApiItemKind.Constructor) {
         // The constructor is similar to a method, but we have to manually add the name.
         tableRowJson.name = 'constructor';
       }
@@ -67,7 +68,7 @@ export function createTableRowJson(collectedData: ICollectedData, apiItem: ApiIt
   // (item.excerpt.text). It's required if there's no ? after the name.
   if (
     tableRowJson &&
-    (apiItem.kind === ApiItemKind.PropertySignature || apiItem.kind === ApiItemKind.MethodSignature) &&
+    (apiKind === ApiItemKind.PropertySignature || apiKind === ApiItemKind.MethodSignature) &&
     /^\w+[:(]/.test((apiItem as ApiDeclaredItem).excerpt.text)
   ) {
     tableRowJson.required = true;
diff --git a/packages/api-docs/tsconfig.json b/packages/api-docs/tsconfig.json
index 0bc32f3283be5e..28c48a1aae311b 100644
--- a/packages/api-docs/tsconfig.json
+++ b/packages/api-docs/tsconfig.json
@@ -19,7 +19,8 @@
     "preserveConstEnums": true,
     "downlevelIteration": true,
     "lib": ["es2017"],
-    "types": []
+    "types": [],
+    "isolatedModules": true
   },
   "include": ["src"]
 }
diff --git a/packages/azure-themes/tsconfig.json b/packages/azure-themes/tsconfig.json
index 46954f1b6ee6d6..d3161f2c532fee 100644
--- a/packages/azure-themes/tsconfig.json
+++ b/packages/azure-themes/tsconfig.json
@@ -16,7 +16,8 @@
     "skipLibCheck": true,
     "moduleResolution": "node",
     "preserveConstEnums": true,
-    "lib": ["es5", "dom"]
+    "lib": ["es5", "dom"],
+    "isolatedModules": true
   },
   "include": ["src"]
 }
diff --git a/packages/bundle-size/tsconfig.json b/packages/bundle-size/tsconfig.json
index 89ace2d81a507c..9cbf47ad7f1d5c 100644
--- a/packages/bundle-size/tsconfig.json
+++ b/packages/bundle-size/tsconfig.json
@@ -5,7 +5,8 @@
     "checkJs": true,
     "noEmit": true,
     "resolveJsonModule": true,
-    "types": ["jest", "node"]
+    "types": ["jest", "node"],
+    "isolatedModules": true
   },
   "include": ["src/**/*.js", "__fixture__/*.js"]
 }
diff --git a/packages/codemods/src/modRunner/tests/mocks/MockProject/src/File-react.tsx b/packages/codemods/src/modRunner/tests/mocks/MockProject/src/File-react.tsx
index e69de29bb2d1d6..cb0ff5c3b541f6 100644
--- a/packages/codemods/src/modRunner/tests/mocks/MockProject/src/File-react.tsx
+++ b/packages/codemods/src/modRunner/tests/mocks/MockProject/src/File-react.tsx
@@ -0,0 +1 @@
+export {};
diff --git a/packages/codemods/src/modRunner/tests/mocks/MockProject/src/File.ts b/packages/codemods/src/modRunner/tests/mocks/MockProject/src/File.ts
index e69de29bb2d1d6..cb0ff5c3b541f6 100644
--- a/packages/codemods/src/modRunner/tests/mocks/MockProject/src/File.ts
+++ b/packages/codemods/src/modRunner/tests/mocks/MockProject/src/File.ts
@@ -0,0 +1 @@
+export {};
diff --git a/packages/codemods/tsconfig.json b/packages/codemods/tsconfig.json
index 21f260a9da086c..63425c6976a161 100644
--- a/packages/codemods/tsconfig.json
+++ b/packages/codemods/tsconfig.json
@@ -19,7 +19,8 @@
     "esModuleInterop": true,
     "lib": ["dom", "es2015.promise", "es2017"],
     "types": ["jest", "node"],
-    "resolveJsonModule": true
+    "resolveJsonModule": true,
+    "isolatedModules": true
   },
   "include": ["src"]
 }
diff --git a/packages/cra-template/tsconfig.json b/packages/cra-template/tsconfig.json
index d0cebca8137d02..7f3c56205085ed 100644
--- a/packages/cra-template/tsconfig.json
+++ b/packages/cra-template/tsconfig.json
@@ -1,7 +1,8 @@
 {
   "extends": "../../scripts/tsconfig.json",
   "compilerOptions": {
-    "noEmit": true
+    "noEmit": true,
+    "isolatedModules": true
   },
   "include": ["scripts"],
   "exclude": ["node_modules", "template"]
diff --git a/packages/date-time-utilities/tsconfig.json b/packages/date-time-utilities/tsconfig.json
index d39522a783a614..8b4d1647f1780f 100644
--- a/packages/date-time-utilities/tsconfig.json
+++ b/packages/date-time-utilities/tsconfig.json
@@ -7,6 +7,7 @@
     "jsx": "react",
     "declaration": true,
     "sourceMap": true,
+    "isolatedModules": true,
     "experimentalDecorators": true,
     "importHelpers": true,
     "noImplicitAny": true,
diff --git a/packages/dom-utilities/tsconfig.json b/packages/dom-utilities/tsconfig.json
index beb1660276af80..8d9ce15689fd75 100644
--- a/packages/dom-utilities/tsconfig.json
+++ b/packages/dom-utilities/tsconfig.json
@@ -16,7 +16,8 @@
     "preserveConstEnums": true,
     "lib": ["es5", "dom"],
     "typeRoots": ["../../node_modules/@types", "../../typings"],
-    "types": ["jest", "custom-global"]
+    "types": ["jest", "custom-global"],
+    "isolatedModules": true
   },
   "include": ["src"]
 }
diff --git a/packages/eslint-plugin/tsconfig.json b/packages/eslint-plugin/tsconfig.json
index 1ad0e7809d02dd..66656b56541f54 100644
--- a/packages/eslint-plugin/tsconfig.json
+++ b/packages/eslint-plugin/tsconfig.json
@@ -8,7 +8,8 @@
     "noUnusedLocals": true,
     "skipLibCheck": true,
     "strict": true,
-    "types": ["node"]
+    "types": ["node"],
+    "isolatedModules": true
   },
   "include": ["src/**/*"],
   "exclude": ["**/fixtures/**/*"]
diff --git a/packages/example-data/tsconfig.json b/packages/example-data/tsconfig.json
index 3490b772ef97bd..5d74b871e32bc4 100644
--- a/packages/example-data/tsconfig.json
+++ b/packages/example-data/tsconfig.json
@@ -16,7 +16,8 @@
     "moduleResolution": "node",
     "preserveConstEnums": true,
     "lib": ["es5", "dom"],
-    "types": []
+    "types": [],
+    "isolatedModules": true
   },
   "include": ["src"]
 }
diff --git a/packages/font-icons-mdl2/src/index.ts b/packages/font-icons-mdl2/src/index.ts
index 58d83f1f78d113..f84a20ff4cab89 100644
--- a/packages/font-icons-mdl2/src/index.ts
+++ b/packages/font-icons-mdl2/src/index.ts
@@ -87,7 +87,9 @@ export function initializeIcons(
   registerIconAliases();
 }
 
-// eslint-disable-next-line deprecation/deprecation
-export { IconNames, IconNamesInput } from './IconNames';
+/* eslint-disable deprecation/deprecation */
+export type { IconNamesInput } from './IconNames';
+export { IconNames } from './IconNames';
+/* eslint-enable deprecation/deprecation */
 
 import './version';
diff --git a/packages/foundation-legacy/tsconfig.json b/packages/foundation-legacy/tsconfig.json
index 19ef5bb51e01cc..c27a18e625da4e 100644
--- a/packages/foundation-legacy/tsconfig.json
+++ b/packages/foundation-legacy/tsconfig.json
@@ -15,6 +15,7 @@
     "noImplicitAny": true,
     "moduleResolution": "node",
     "preserveConstEnums": true,
+    "isolatedModules": true,
     "lib": ["es5", "dom", "ES2015.Iterable"],
     "typeRoots": ["../../node_modules/@types", "../../typings"],
     "types": ["jest", "custom-global"]
diff --git a/packages/jest-serializer-merge-styles/tsconfig.json b/packages/jest-serializer-merge-styles/tsconfig.json
index 1ac6eeabdbfda9..ea104793c121e9 100644
--- a/packages/jest-serializer-merge-styles/tsconfig.json
+++ b/packages/jest-serializer-merge-styles/tsconfig.json
@@ -13,7 +13,8 @@
     "forceConsistentCasingInFileNames": true,
     "moduleResolution": "node",
     "preserveConstEnums": true,
-    "types": ["jest"]
+    "types": ["jest"],
+    "isolatedModules": true
   },
   "include": ["src"]
 }
diff --git a/packages/keyboard-key/tsconfig.json b/packages/keyboard-key/tsconfig.json
index a3fc0c002bf5be..8be7346c5795a2 100644
--- a/packages/keyboard-key/tsconfig.json
+++ b/packages/keyboard-key/tsconfig.json
@@ -16,7 +16,8 @@
     "moduleResolution": "node",
     "preserveConstEnums": true,
     "lib": ["es5", "dom"],
-    "types": ["jest"]
+    "types": ["jest"],
+    "isolatedModules": true
   },
   "include": ["src"]
 }
diff --git a/packages/merge-styles/src/index.ts b/packages/merge-styles/src/index.ts
index 4fa86b8c3048ef..3f2d819d21d81b 100644
--- a/packages/merge-styles/src/index.ts
+++ b/packages/merge-styles/src/index.ts
@@ -1,17 +1,24 @@
-export { IStyle, IStyleBase, IStyleBaseArray } from './IStyle';
+export type { IStyle, IStyleBase, IStyleBaseArray } from './IStyle';
 
-export { IRawStyle } from './IRawStyle';
+export type { IRawStyle } from './IRawStyle';
 
-export { IKeyframes } from './IKeyframes';
+export type { IKeyframes } from './IKeyframes';
 
-export { IStyleFunction, IStyleFunctionOrObject } from './IStyleFunction';
+export type { IStyleFunction, IStyleFunctionOrObject } from './IStyleFunction';
 
-export { DeepPartial } from './DeepPartial';
+export type { DeepPartial } from './DeepPartial';
 
 // eslint-disable-next-line deprecation/deprecation
-export { IConcatenatedStyleSet, IProcessedStyleSet, IStyleSet, Omit } from './IStyleSet';
+export type { IConcatenatedStyleSet, IProcessedStyleSet, IStyleSet, Omit } from './IStyleSet';
 
-export { ICSSRule, ICSSPixelUnitRule, IFontFace, IFontWeight, IRawFontStyle, IRawStyleBase } from './IRawStyleBase';
+export type {
+  ICSSRule,
+  ICSSPixelUnitRule,
+  IFontFace,
+  IFontWeight,
+  IRawFontStyle,
+  IRawStyleBase,
+} from './IRawStyleBase';
 
 export { mergeStyles, mergeCss } from './mergeStyles';
 
@@ -25,10 +32,11 @@ export { fontFace } from './fontFace';
 
 export { keyframes } from './keyframes';
 
-export * from './Stylesheet';
+export { InjectionMode, Stylesheet } from './Stylesheet';
+export type { ICSPSettings, ISerializedStylesheet, IStyleSheetConfig } from './Stylesheet';
 
 export { setRTL } from './StyleOptionsState';
 
-export { ObjectOnly } from './ObjectOnly';
+export type { ObjectOnly } from './ObjectOnly';
 
 import './version';
diff --git a/packages/merge-styles/tsconfig.json b/packages/merge-styles/tsconfig.json
index f4544ef012d4b6..46561597c98414 100644
--- a/packages/merge-styles/tsconfig.json
+++ b/packages/merge-styles/tsconfig.json
@@ -13,6 +13,7 @@
     "forceConsistentCasingInFileNames": true,
     "moduleResolution": "node",
     "preserveConstEnums": true,
+    "isolatedModules": true,
     "types": ["jest"]
   },
   "include": ["src"]
diff --git a/packages/public-docsite-setup/tsconfig.json b/packages/public-docsite-setup/tsconfig.json
index 9014148a54d8ae..c742596612fe20 100644
--- a/packages/public-docsite-setup/tsconfig.json
+++ b/packages/public-docsite-setup/tsconfig.json
@@ -13,7 +13,8 @@
     "noUnusedLocals": true,
     "skipLibCheck": true,
     "lib": ["es5", "dom"],
-    "types": ["webpack-env"]
+    "types": ["webpack-env"],
+    "isolatedModules": true
   },
   "include": ["src"]
 }
diff --git a/packages/react-cards/tsconfig.json b/packages/react-cards/tsconfig.json
index 19ef5bb51e01cc..edad57a1972194 100644
--- a/packages/react-cards/tsconfig.json
+++ b/packages/react-cards/tsconfig.json
@@ -17,7 +17,8 @@
     "preserveConstEnums": true,
     "lib": ["es5", "dom", "ES2015.Iterable"],
     "typeRoots": ["../../node_modules/@types", "../../typings"],
-    "types": ["jest", "custom-global"]
+    "types": ["jest", "custom-global"],
+    "isolatedModules": true
   },
   "include": ["src"]
 }
diff --git a/packages/react-charting/src/components/AreaChart/AreaChart.types.ts b/packages/react-charting/src/components/AreaChart/AreaChart.types.ts
index 0bacb39314cfd8..be00a25b15da19 100644
--- a/packages/react-charting/src/components/AreaChart/AreaChart.types.ts
+++ b/packages/react-charting/src/components/AreaChart/AreaChart.types.ts
@@ -15,7 +15,7 @@ import {
   IChildProps,
 } from '../CommonComponents/CartesianChart.types';
 
-export { IChildProps, IRefArrayData, IBasestate, ILineChartDataPoint, ILineChartPoints, IMargins };
+export type { IChildProps, IRefArrayData, IBasestate, ILineChartDataPoint, ILineChartPoints, IMargins };
 export interface IAreaChartProps extends ICartesianChartProps {
   /**
    * Data to render in the chart.
diff --git a/packages/react-charting/src/components/LineChart/LineChart.types.ts b/packages/react-charting/src/components/LineChart/LineChart.types.ts
index 80145541f07b7c..d36e3d3b1cc334 100644
--- a/packages/react-charting/src/components/LineChart/LineChart.types.ts
+++ b/packages/react-charting/src/components/LineChart/LineChart.types.ts
@@ -15,7 +15,7 @@ import {
   IChildProps,
 } from '../CommonComponents/index';
 
-export { IChildProps, ILineChartPoints, IMargins, IBasestate, IRefArrayData };
+export type { IChildProps, ILineChartPoints, IMargins, IBasestate, IRefArrayData };
 export interface ILineChartProps extends ICartesianChartProps {
   /**
    * Data to render in the chart.
diff --git a/packages/react-charting/src/components/PieChart/PieChart.types.ts b/packages/react-charting/src/components/PieChart/PieChart.types.ts
index 4349ab95ac3e5e..a85557bba767b3 100644
--- a/packages/react-charting/src/components/PieChart/PieChart.types.ts
+++ b/packages/react-charting/src/components/PieChart/PieChart.types.ts
@@ -1,7 +1,7 @@
 import { ITheme, IStyle } from '@fluentui/react/lib/Styling';
 import { IStyleFunctionOrObject } from '@fluentui/react/lib/Utilities';
 import { IDataPoint } from '../../types/IDataPoint';
-export { IDataPoint } from '../../types/IDataPoint';
+export type { IDataPoint } from '../../types/IDataPoint';
 export interface IPieChart {}
 
 export interface IPieChartProps {
diff --git a/packages/react-charting/src/components/SankeyChart/SankeyChart.types.ts b/packages/react-charting/src/components/SankeyChart/SankeyChart.types.ts
index 100834f6f2b4db..dedb9b7c2e22a8 100644
--- a/packages/react-charting/src/components/SankeyChart/SankeyChart.types.ts
+++ b/packages/react-charting/src/components/SankeyChart/SankeyChart.types.ts
@@ -2,7 +2,7 @@ import { ITheme, IStyle } from '@fluentui/react/lib/Styling';
 import { IStyleFunctionOrObject } from '@fluentui/react/lib/Utilities';
 import { IChartProps } from '../../types/IDataPoint';
 
-export { IChartProps, IDataPoint, ISankeyChartData } from '../../types/IDataPoint';
+export type { IChartProps, IDataPoint, ISankeyChartData } from '../../types/IDataPoint';
 
 export interface ISankeyChartProps {
   /**
diff --git a/packages/react-charting/tsconfig.json b/packages/react-charting/tsconfig.json
index aff8190b50a3af..d9e220a59c2150 100644
--- a/packages/react-charting/tsconfig.json
+++ b/packages/react-charting/tsconfig.json
@@ -19,7 +19,8 @@
     "skipLibCheck": true,
     "lib": ["es5", "dom"],
     "typeRoots": ["../../node_modules/@types", "../../typings"],
-    "types": ["jest", "custom-global"]
+    "types": ["jest", "custom-global"],
+    "isolatedModules": true
   },
   "include": ["src"]
 }
diff --git a/packages/react-conformance/tsconfig.json b/packages/react-conformance/tsconfig.json
index a71ee73bcc3961..08e77d03e1277a 100644
--- a/packages/react-conformance/tsconfig.json
+++ b/packages/react-conformance/tsconfig.json
@@ -14,6 +14,7 @@
     "strict": true,
     "moduleResolution": "node",
     "preserveConstEnums": true,
+    "isolatedModules": true,
     "lib": ["es2017", "dom"],
     "types": ["jest", "node"]
   },
diff --git a/packages/react-date-time/tsconfig.json b/packages/react-date-time/tsconfig.json
index 19ef5bb51e01cc..edad57a1972194 100644
--- a/packages/react-date-time/tsconfig.json
+++ b/packages/react-date-time/tsconfig.json
@@ -17,7 +17,8 @@
     "preserveConstEnums": true,
     "lib": ["es5", "dom", "ES2015.Iterable"],
     "typeRoots": ["../../node_modules/@types", "../../typings"],
-    "types": ["jest", "custom-global"]
+    "types": ["jest", "custom-global"],
+    "isolatedModules": true
   },
   "include": ["src"]
 }
diff --git a/packages/react-docsite-components/src/components/ApiReferencesTable/ApiReferencesTable.tsx b/packages/react-docsite-components/src/components/ApiReferencesTable/ApiReferencesTable.tsx
index 8fbf1c00348bd4..11a162fa4de144 100644
--- a/packages/react-docsite-components/src/components/ApiReferencesTable/ApiReferencesTable.tsx
+++ b/packages/react-docsite-components/src/components/ApiReferencesTable/ApiReferencesTable.tsx
@@ -25,8 +25,6 @@ import { Markdown } from '../Markdown/index';
 import { codeFontFamily } from '../CodeSnippet/CodeSnippet.styles';
 import { titleCase } from '../../utilities/string';
 
-// TODO: remove
-export { IApiReferencesTableProps };
 export type IApiReferencesTableState = {};
 
 /** @internal */
diff --git a/packages/react-docsite-components/src/components/ApiReferencesTable/index.ts b/packages/react-docsite-components/src/components/ApiReferencesTable/index.ts
index eaaec8d8394e9d..a9e2cc5f478474 100644
--- a/packages/react-docsite-components/src/components/ApiReferencesTable/index.ts
+++ b/packages/react-docsite-components/src/components/ApiReferencesTable/index.ts
@@ -1,3 +1,4 @@
-export { ApiReferencesTable, IApiReferencesTableState, gapTokens } from './ApiReferencesTable';
+export { ApiReferencesTable, gapTokens } from './ApiReferencesTable';
+export type { IApiReferencesTableState } from './ApiReferencesTable';
 export * from './ApiReferencesTableSet';
 export * from './ApiReferencesTableSet.types';
diff --git a/packages/react-docsite-components/src/utilities/router/index.ts b/packages/react-docsite-components/src/utilities/router/index.ts
index fe6921beaf2c17..177e53a764a222 100644
--- a/packages/react-docsite-components/src/utilities/router/index.ts
+++ b/packages/react-docsite-components/src/utilities/router/index.ts
@@ -1,2 +1,4 @@
-export { Route, IRouteProps } from './Route';
-export { Router, IRouterProps } from './Router';
+export { Route } from './Route';
+export type { IRouteProps } from './Route';
+export { Router } from './Router';
+export type { IRouterProps } from './Router';
diff --git a/packages/react-docsite-components/tsconfig.json b/packages/react-docsite-components/tsconfig.json
index 0330b7b3d4ae39..fa18df1c2fcba7 100644
--- a/packages/react-docsite-components/tsconfig.json
+++ b/packages/react-docsite-components/tsconfig.json
@@ -17,7 +17,8 @@
     "noImplicitThis": true,
     "outDir": "lib",
     "lib": ["es5", "dom", "es2015.promise"],
-    "types": ["webpack-env", "jest"]
+    "types": ["webpack-env", "jest"],
+    "isolatedModules": true
   },
   "include": ["src"]
 }
diff --git a/packages/react-examples/tsconfig.json b/packages/react-examples/tsconfig.json
index cde221a5de5dd8..540438dc11b077 100644
--- a/packages/react-examples/tsconfig.json
+++ b/packages/react-examples/tsconfig.json
@@ -19,6 +19,7 @@
     "lib": ["es5", "dom", "es2015.promise"],
     "typeRoots": ["../../node_modules/@types", "../../typings"],
     "types": ["webpack-env", "custom-global", "node", "cypress", "cypress-storybook/cypress", "cypress-real-events"],
+    "isolatedModules": true,
     "paths": {
       "@fluentui/react-examples/lib/*": ["./src/*"],
       "@fluentui/react-examples": ["./src"]
diff --git a/packages/react-file-type-icons/tsconfig.json b/packages/react-file-type-icons/tsconfig.json
index c1045b34aac877..40d56107c6e5c4 100644
--- a/packages/react-file-type-icons/tsconfig.json
+++ b/packages/react-file-type-icons/tsconfig.json
@@ -11,11 +11,10 @@
     "strict": true,
     "forceConsistentCasingInFileNames": true,
     "moduleResolution": "node",
-    "preserveConstEnums": false,
+    "preserveConstEnums": true,
     "typeRoots": ["../../node_modules/@types", "../../typings"],
     "types": ["jest", "custom-global"],
-    // Must be false when preserveConstEnums is false
-    "isolatedModules": false
+    "isolatedModules": true
   },
   "include": ["src"]
 }
diff --git a/packages/react-icons-mdl2-branded/tsconfig.json b/packages/react-icons-mdl2-branded/tsconfig.json
index e14b6d79ca44bf..92ed8ce7c1a32b 100644
--- a/packages/react-icons-mdl2-branded/tsconfig.json
+++ b/packages/react-icons-mdl2-branded/tsconfig.json
@@ -16,7 +16,8 @@
     "preserveConstEnums": true,
     "lib": ["ES2019", "DOM"],
     "typeRoots": ["../../node_modules/@types", "../../typings"],
-    "types": ["custom-global"]
+    "types": ["custom-global"],
+    "isolatedModules": true
   },
   "include": ["src"]
 }
diff --git a/packages/react-window-provider/tsconfig.json b/packages/react-window-provider/tsconfig.json
index 7064abfe57c89b..6ff64979d0f9ae 100644
--- a/packages/react-window-provider/tsconfig.json
+++ b/packages/react-window-provider/tsconfig.json
@@ -12,6 +12,7 @@
     "noUnusedLocals": true,
     "forceConsistentCasingInFileNames": true,
     "strict": true,
+    "isolatedModules": true,
     "moduleResolution": "node",
     "preserveConstEnums": true,
     "lib": ["es2015", "dom", "es2015.promise"],
diff --git a/packages/set-version/tsconfig.json b/packages/set-version/tsconfig.json
index c6d6b9960dc493..b28a7aaa551418 100644
--- a/packages/set-version/tsconfig.json
+++ b/packages/set-version/tsconfig.json
@@ -11,6 +11,7 @@
     "strictNullChecks": true,
     "forceConsistentCasingInFileNames": true,
     "moduleResolution": "node",
+    "isolatedModules": true,
     "types": ["jest"]
   },
   "include": ["src"]
diff --git a/packages/storybook/src/knobs/useTheme.ts b/packages/storybook/src/knobs/useTheme.ts
deleted file mode 100644
index b1bcbf0910f9e6..00000000000000
--- a/packages/storybook/src/knobs/useTheme.ts
+++ /dev/null
@@ -1,23 +0,0 @@
-import { select } from '@storybook/addon-knobs';
-import * as V8Themes from '../themes/v8/index';
-import * as V7Themes from '../themes/v7/index';
-
-const themeSelectorLabel = 'Theme';
-
-const defaultThemeOption = { label: 'None', theme: undefined };
-const v8ThemeOptions = [{ label: 'V8 - Fluent', theme: V8Themes.FluentTheme }];
-const v7ThemeOptions = [
-  { label: 'V7 - Fluent', theme: V7Themes.FluentTheme },
-  { label: 'V7 - Dark', theme: V7Themes.DarkTheme, isDark: true },
-  { label: 'V7 - Word', theme: V7Themes.WordTheme },
-  { label: 'V7 - Teams', theme: V7Themes.TeamsTheme },
-  { label: 'V7 - Azure Light', theme: V7Themes.AzureLightTheme },
-  { label: 'V7 - Azure Dark', theme: V7Themes.AzureDarkTheme, isDark: true },
-];
-
-const themeOptions = [defaultThemeOption, ...v8ThemeOptions, ...v7ThemeOptions];
-
-export const useTheme = () =>
-  // Casting any here due to issue: https://github.com/storybookjs/storybook/issues/9751
-  // eslint-disable-next-line @typescript-eslint/no-explicit-any
-  select(themeSelectorLabel, themeOptions as any, defaultThemeOption as any);
diff --git a/packages/storybook/src/themes/v7/AzureDarkTheme.ts b/packages/storybook/src/themes/v7/AzureDarkTheme.ts
deleted file mode 100644
index 62248b1daa4b3c..00000000000000
--- a/packages/storybook/src/themes/v7/AzureDarkTheme.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-import { AzureCustomizationsDark } from '@fluentui/azure-themes';
-import type { Theme } from '@fluentui/theme';
-
-export const AzureDarkTheme: Theme = AzureCustomizationsDark.settings.theme;
diff --git a/packages/storybook/src/themes/v7/AzureLightTheme.ts b/packages/storybook/src/themes/v7/AzureLightTheme.ts
deleted file mode 100644
index 59617989b043fe..00000000000000
--- a/packages/storybook/src/themes/v7/AzureLightTheme.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-import { AzureCustomizationsLight } from '@fluentui/azure-themes';
-import type { Theme } from '@fluentui/theme';
-
-export const AzureLightTheme: Theme = AzureCustomizationsLight.settings.theme;
diff --git a/packages/storybook/src/themes/v7/DarkTheme.ts b/packages/storybook/src/themes/v7/DarkTheme.ts
deleted file mode 100644
index 11e34a2fee0f2d..00000000000000
--- a/packages/storybook/src/themes/v7/DarkTheme.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-import { DarkCustomizations } from '@fluentui/theme-samples';
-import type { Theme } from '@fluentui/theme';
-
-export const DarkTheme: Theme = DarkCustomizations.settings.theme;
diff --git a/packages/storybook/src/themes/v7/FluentTheme.ts b/packages/storybook/src/themes/v7/FluentTheme.ts
deleted file mode 100644
index eeacb2ee78d386..00000000000000
--- a/packages/storybook/src/themes/v7/FluentTheme.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-import { DefaultCustomizations } from '@fluentui/theme-samples';
-import type { Theme } from '@fluentui/theme';
-
-export const FluentTheme: Theme = DefaultCustomizations.settings.theme;
diff --git a/packages/storybook/src/themes/v7/TeamsTheme.ts b/packages/storybook/src/themes/v7/TeamsTheme.ts
deleted file mode 100644
index ab388cf5aaf123..00000000000000
--- a/packages/storybook/src/themes/v7/TeamsTheme.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-import { TeamsCustomizations } from '@fluentui/theme-samples';
-import type { Theme } from '@fluentui/theme';
-
-export const TeamsTheme: Theme = TeamsCustomizations.settings.theme;
diff --git a/packages/storybook/src/themes/v7/WordTheme.ts b/packages/storybook/src/themes/v7/WordTheme.ts
deleted file mode 100644
index 29e87dd722f68c..00000000000000
--- a/packages/storybook/src/themes/v7/WordTheme.ts
+++ /dev/null
@@ -1,4 +0,0 @@
-import { WordCustomizations } from '@fluentui/theme-samples';
-import type { Theme } from '@fluentui/theme';
-
-export const WordTheme: Theme = WordCustomizations.settings.theme;
diff --git a/packages/storybook/src/themes/v7/index.ts b/packages/storybook/src/themes/v7/index.ts
deleted file mode 100644
index 26a1ea78828e44..00000000000000
--- a/packages/storybook/src/themes/v7/index.ts
+++ /dev/null
@@ -1,6 +0,0 @@
-export * from './AzureDarkTheme';
-export * from './AzureLightTheme';
-export * from './DarkTheme';
-export * from './FluentTheme';
-export * from './TeamsTheme';
-export * from './WordTheme';
diff --git a/packages/storybook/src/themes/v8/FluentTheme.ts b/packages/storybook/src/themes/v8/FluentTheme.ts
deleted file mode 100644
index f7420da0656656..00000000000000
--- a/packages/storybook/src/themes/v8/FluentTheme.ts
+++ /dev/null
@@ -1 +0,0 @@
-export { FluentTheme } from '@fluentui/theme';
diff --git a/packages/storybook/src/themes/v8/index.ts b/packages/storybook/src/themes/v8/index.ts
deleted file mode 100644
index 1ee68fb8857daa..00000000000000
--- a/packages/storybook/src/themes/v8/index.ts
+++ /dev/null
@@ -1 +0,0 @@
-export * from './FluentTheme';
diff --git a/packages/storybook/tsconfig.json b/packages/storybook/tsconfig.json
index 1f45771cf0e0c8..66db56e28c8b2e 100644
--- a/packages/storybook/tsconfig.json
+++ b/packages/storybook/tsconfig.json
@@ -17,7 +17,8 @@
     "preserveConstEnums": true,
     "lib": ["es6", "dom"],
     "types": [],
-    "esModuleInterop": true
+    "esModuleInterop": true,
+    "isolatedModules": true
   },
   "include": ["src"]
 }
diff --git a/packages/test-utilities/tsconfig.json b/packages/test-utilities/tsconfig.json
index b4b3736f5a0b11..3856d5f994d0da 100644
--- a/packages/test-utilities/tsconfig.json
+++ b/packages/test-utilities/tsconfig.json
@@ -16,7 +16,8 @@
     "moduleResolution": "node",
     "preserveConstEnums": true,
     "lib": ["es2017", "dom"],
-    "types": ["jest"]
+    "types": ["jest"],
+    "isolatedModules": true
   },
   "include": ["src"]
 }
diff --git a/packages/theme/tsconfig.json b/packages/theme/tsconfig.json
index 75349f4a999e3d..8262d7db1ae7e5 100644
--- a/packages/theme/tsconfig.json
+++ b/packages/theme/tsconfig.json
@@ -13,6 +13,7 @@
     "forceConsistentCasingInFileNames": true,
     "strict": true,
     "moduleResolution": "node",
+    "isolatedModules": true,
     "preserveConstEnums": true,
     "lib": ["es5", "dom", "ES2015.Iterable"],
     "typeRoots": ["../../node_modules/@types", "../../typings"],
diff --git a/packages/webpack-utilities/tsconfig.json b/packages/webpack-utilities/tsconfig.json
index 88d16e448009f8..e67b0e24b568a4 100644
--- a/packages/webpack-utilities/tsconfig.json
+++ b/packages/webpack-utilities/tsconfig.json
@@ -14,7 +14,8 @@
     "forceConsistentCasingInFileNames": true,
     "moduleResolution": "node",
     "preserveConstEnums": true,
-    "skipLibCheck": true
+    "skipLibCheck": true,
+    "isolatedModules": true
   },
   "include": ["src"]
 }