This article explains how to change file extensions in Windows 11, as well as discusses the difference between file extensions and file types.

Ankush khandelwal asked about compatibility issues between files created in different versions of Microsoft Office–specifically the big changes in file format that came with Office 2007. With Office ...

A file extension is a suffix that is added to the end of a file name to indicate the type of file it is. For example, a file named “example.docx” has the file extension “.docx”, which indicates that ...

A bug in Microsoft 365 version 2409 is auto-deleting Word documents while saving. The bug affects those documents that have capitalized "DOCX" file extension or include "#" in the file name.