In some cases, you can fix this issue by converting your Word document into another encoding. Open the document you want to convert, then click "File." Go to "Options" at the bottom of the startup ...

You may get an error prompt displaying the error message Microsoft Office cannot open this file because some parts are missing or invalid when you try to open a Word ...

Some users have reported that when they attempt to open a Word document, it fails to open. Instead, they see a Word cannot open the existing file (Normal.dotm) error ...