Are you having a hard time managing your files because the Windows File Explorer is not working properly or won’t open at all? In this troubleshooting guide, we’ll show the fixes that you can ...

How to Open an XLSX File Unless you've purposely installed a program to your computer that can open XLSX files, then double-clicking on one won't do anything useful.

Learn how to use a Microsoft 365 setting to choose whether to open files in the online or desktop app, giving you full control for each file.