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.

Get a more generic solution to identifying unknown or unrecognized file types & extensions with these free tools for Windows 11/10 computer.

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

This free Web service does one thing and does it well: changing your file formats instantly with no hassles.

Click Open. If the app that you want to use to open the file type is greyed out, it's because macOS doesn't think there's a valid association between the two.