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.

Disabling File-Type Warnings Close the program you are using to open the file that gives you the "Always ask before opening this type of file" message, if it's currently running.

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

Whether you're searching your entire computer for a file or want to run a highly refined search, use these Windows and macOS tools to get the job done.

If you’re tired of Windows opening files in the wrong apps, changing file associations may fix the problem. Here’s how to do it.

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.

The five file types listed above are commonly known to contain viruses. However, just about any file type can potentially contain malicious functionality; malicious image files like JPGs, PNGs ...