File formats database

If you arrive at this page, you probably have an issue with opening an unknown file type. Here we collected a database to help you learn about specific types of Mac files and what programs you need to open or download them.

What are File Types?

A file type, or file format, is a particular way that information is encoded for storage in a computer file.

In other words, a file type is the given association between a file and the software program used to open that file.

A file type is determined by its file extension, which is a three to four letter suffix appended to the end of a computer file name.

Below are common examples of file types and related programs.

File types