Each category of file type has many file formats according to their compression level or other factors. The programs recognize the files by their format and open them.

Red Eye Rose received a file with a strange extension. She doesn't know into what program she should load it. Neither does Windows.

Need to use third-party programs to open files on your PC? Here's how to change file associations in Windows 10 and choose which apps open which file types.

You can create a file without a File Type Extension in Windows 11/10 by carefully following the steps laid down in this post.

How to open a file with a different program on your Mac When you double-click a file on your Mac, the operating system will automatically open the file using the program assigned to that type of ...

You can add a new file type to the New item section of the Windows 10 Context Menu, but you will have to edit the Windows Registry. Here is how you do it.

Now that iOS Nintendo console emulator Delta is available, many people might be trying to unarchive files on their iPhones, so I thought I would share one of the apps I use. I’ve tested a few ...