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Thanks to years of research and help from our loyal visitors, we now have one of the world's largest and most detailed databases of file extension information, covering multiple operating systems from Microsoft's Windows, Apple's OS X and all variations of Unix to those used on the latest mobile devices and phones. We try to provide as much information on each file extension as possible and we encourage visitors to contact us if they have any additional information on an extension or if they think a new file extension should be added to the database.
The net's #1 file extension resource - Dot What?!
In Windows and some other operating systems, file extension is one or several letters at the end of a filename. Usually three or four letters.
Large database of file extensions
FILExt
There are many ways to come to FILExt: search engine, various programs, referrals but, basically, you came here to search for the name of a program that uses a particular file extension. To do that use the search box. For more information continue reading.
mozdev.org - free project hosting for the Mozilla community
The mozdev.org site provides free project hosting for Mozilla applications and extensions. Developers have many choices for free project hosting today, but this is the only service that is specifically tailored to the needs of the Mozilla community. Read more to find out how mozdev.org compares with other popular hosting sites.