FileExt - The File Extension Information Resource
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Welcome to FileExt!

FileExt is the file extension information resource website. We have information of many thousand file extensions.


What is a File Extension?

A file extension is a suffix to the name of a computer file separated by a dot.

Where should I start?

Search for file extensions starting with a particular letter using these links...

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
Number | Symbol




Many public thanks to the people who have contributed information to this site. Particular thanks to S.R. in the UK and V.Y. in Perth, Australia for their extensive submissions and research. Special thanks to Anthony R. Nemmer for the use of his extensive file extension and MIME type collection.


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