diff --git a/setup.py b/setup.py
index af6943f..27f63bf 100644
--- a/setup.py
+++ b/setup.py
@@ -39,8 +39,9 @@ def readme():
     long_description_content_type="text/markdown",
     include_package_data=True,
     keywords='xlsxtemplater',
+    packages=find_packages('src'),
+    package_dir={'': 'src'},
     name='xlsxtemplater',
-    packages=find_packages(include=['xlsxtemplater', 'xlsxtemplater.*']),
     url='https://github.com/gunstonej/xlsxtemplater',
     version=versioneer.get_version(),
     cmdclass=versioneer.get_cmdclass(),
diff --git a/xlsxtemplater/__init__.py b/src/xlsxtemplater/__init__.py
similarity index 100%
rename from xlsxtemplater/__init__.py
rename to src/xlsxtemplater/__init__.py
diff --git a/xlsxtemplater/_version.py b/src/xlsxtemplater/_version.py
similarity index 100%
rename from xlsxtemplater/_version.py
rename to src/xlsxtemplater/_version.py
diff --git a/xlsxtemplater/templater.py b/src/xlsxtemplater/templater.py
similarity index 98%
rename from xlsxtemplater/templater.py
rename to src/xlsxtemplater/templater.py
index 5e95ef4..30e8a76 100644
--- a/xlsxtemplater/templater.py
+++ b/src/xlsxtemplater/templater.py
@@ -114,7 +114,7 @@ def object_to_excel(toexcel: ToExcel, fpth: str, file_properties: FileProperties
 def to_excel(data_object,
              fpth,
              file_properties: FileProperties=None,
-             openfile: bool=True,
+             openfile: bool=False,
              make_readme: bool=True) -> str:
     """
     function to output dataobject (list of dicts of dataframes and associated metadata)
@@ -128,7 +128,7 @@ def to_excel(data_object,
         file_properties: FileProperties obj defining metadata
         openfile: bool
         make_readme: creates a readme header sheet. default to true. avoid changing unless
-            necessary as it is required for the from_excel command. 
+            necessary as it is required for the from_excel comm and. 
     
     Returns:
         fpth: of output excel file
diff --git a/xlsxtemplater/templaterdefs.py b/src/xlsxtemplater/templaterdefs.py
similarity index 99%
rename from xlsxtemplater/templaterdefs.py
rename to src/xlsxtemplater/templaterdefs.py
index f648550..3adf531 100644
--- a/xlsxtemplater/templaterdefs.py
+++ b/src/xlsxtemplater/templaterdefs.py
@@ -201,7 +201,7 @@ class XlsxTable:
 
     def __post_init__(self):
         #  apply default header row formatting
-        self.row_formatting.insert(0, SetRow(1,50,{'bold': True,'text_wrap': True, 'valign': 'top','border': 1}))
+        self.row_formatting.insert(0, SetRow(0,50,{'bold': True,'text_wrap': True, 'valign': 'top','border': 1}))
 
 @dataclass
 class FileProperties:
diff --git a/xlsxtemplater/utils.py b/src/xlsxtemplater/utils.py
similarity index 93%
rename from xlsxtemplater/utils.py
rename to src/xlsxtemplater/utils.py
index b15930d..b94c4b5 100644
--- a/xlsxtemplater/utils.py
+++ b/src/xlsxtemplater/utils.py
@@ -9,7 +9,7 @@
 # mf packages 
 # TODO - remove this dedendency if opensource
 try:
-    from mf_file_utilities import applauncher_wrapper as aw
+    from mf_file_utilities.applauncher_wrapper import go as _open_file
 except:
     pass
 
@@ -23,8 +23,8 @@ def date():
 #  from mf_modules.file_operations import open_file
 def open_file(filename):
     """Open document with default application in Python."""
-    if sys.platform == 'linux' and str(type(aw))== "<class 'module'>":
-        aw.open_file(filename)
+    if sys.platform == 'linux':
+        _open_file(filename)
         #  note. this is an MF custom App for opening folders and files
         #        from a Linux file server on the local network
     else: