diff --git a/src/azure-cli/azure/cli/command_modules/appconfig/_kv_helpers.py b/src/azure-cli/azure/cli/command_modules/appconfig/_kv_helpers.py
index 30228227ac5..900c136b91d 100644
--- a/src/azure-cli/azure/cli/command_modules/appconfig/_kv_helpers.py
+++ b/src/azure-cli/azure/cli/command_modules/appconfig/_kv_helpers.py
@@ -244,7 +244,7 @@ def __write_kv_and_features_to_file(file_path, key_values=None, features=None, f
             if format_ == 'json':
                 json.dump(exported_keyvalues, fp, indent=2, ensure_ascii=False)
             elif format_ == 'yaml':
-                yaml.safe_dump(exported_keyvalues, fp, sort_keys=False)
+                yaml.safe_dump(exported_keyvalues, fp, sort_keys=False, width=float('inf'))
             elif format_ == 'properties':
                 javaproperties.dump(exported_keyvalues, fp)
     except Exception as exception: