Sometimes, when you try to open a Word file it fails to open and displays the following message – Word cannot open the file because the file format does not match the file extension. This can be ...

There are a few ways you can convert a PDF to Excel, including through Microsoft Office apps and Adobe Acrobat.

Click the OK button. After that, open the file in Word. You should not get any issues now. Read: The file cannot be opened because there are problems with the contents.