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.

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.

What type of files can you open on ChromeOS? Your tried and true Chromebook can open almost all your essential documents, videos, images, and compressed files.

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.

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 ...

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.

CSV files are special text files that are quite common when dealing with spreadsheets. Here's how to open and make them.

Mac OS X computers use a default application to open every file type based on its file extension. If you don't want to use the default application when opening a file, you can select "Open With ...

Apps that open files In macOS, you can change what app opens a specific file type from the file itself. Right-click a file that you want to change the default app that opens, and select Get Info.