Computer file extensions and file help
For a complete list of file extensions broken down to categories, see: What are the most common file types and file extensions?
Complete list of file extensions
Below is an alphabetical list of links to thousands of file extensions and brief descriptions currently listed on Computer Hope. For the file extension you are looking for, click the first letter of the file extension. For example, if you're looking for information about an .EXE file, click "E."