Learn how to create folders by file extensions on Windows 11/10. You can sort files by extensions or formats using this guide.

FileTypesMan allows you to view, add, remove edit file extensions and types on Windows 11/10. You can always manually set or change File Associations & Extensions.

In iOS 16.0 and later, you can make Apple's stock Files app display file extensions for items in the currently viewed folder. Keep reading to learn how it's done. The only issue until recently was ...

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

What does hidden file extensions actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.

What does files vs. folders actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.