If you cannot open an Excel file and see Excel cannot open the file because the file format or extension is not valid error, see this post.

How to Find Word & Excel Documents on Your Hard Drive. Word and Excel are part of Microsoft's Office suite of productivity software. If your small business has been using Office for a while ...

List of some of the best free DBF file viewer software to view records saved in dBASE database file (.dbf) on Windows 11/10. Download then free.