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 do I change the file extension for all files in a folder? To change the file extension for all files in a folder, in Windows 7, click on the Organize button and then click Folder and search ...

How to change the default program a file opens with in Windows 7 When you open files that have a particular file extension, Windows will look at its configuration to determine what the default ...

When you open files that have a particular file extension, Windows will look at its configuration to determine what the default program should be in order to work with these files. The default ...

Learn a great tip for uploading photos to Facebook or Pinterest; quickly show or hide file extensions in Windows.

Need to look at invisible files and show hidden file extensions in Windows? Here's how to reveal them.

Jason Fitzpatrick Windows only: When you've got a file with an extension you don't recognize, the free command line tool TrID can help.