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

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.

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

By installing Attachment Icons for Gmail, you'll be able to quickly identify if it's a PDF, MP3, ZIP, or any other common file type attached to your e-mail without even having to open it.

Google's latest 'blend online with offline' trick is automatically opening Google Drive files from the web with your desktop apps.

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.