Does a file with a .bak extension make you wonder what it is? Use this guide to learn what is a BAK file and how to open it in Windows 11/10.

We show you how to open files with no extension in Windows 11/10. You can try these tricks or use one of these free software or online tools.

How to restore your default file extension associations in Mac OS In the Mac OS it is possible to change the default program the operating system will use to open a file when you double-click on ...

Red Eye Rose received a file with a strange extension. She doesn't know into what program she should load it. Neither does Windows.