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

How to view file name extensions for a individual file on a Mac Navigate to the file that you wish to be able to see its extension.

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 ...

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

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.

We review the file extensions most used by architects, focusing mainly on BIM programs.