A file extension, or file name extension, is the letters immediately shown after the last period in a file name. For example, the file extension.txt has an extension of .txt. This extension allows the ...

If you've been accustomed to opening files from newer versions of Microsoft Word in older versions of the software, the error messages you see when you try to open ...

A bug in version 2409 of Microsoft 365 can cause Word documents to be deleted instead of saved, Microsoft has warned. The bug affects files that contain the # character or have file extensions in ...