file-extensions.org: File-Extensions.Org - File Extension Library
Large computer file extension library with detailed explanation of each file type with links to free or associated software programs downloads.
fileinfo.com: Fileinfo.Com - The File Extensions Resource
Thousands of file extensions with detailed information about each file type, including a list of programs that open the files.
filesuffix.com: Filesuffix.Com The Filename Extension Database
Filesuffix.com is a daily updated filename extension database.
dotwhat.net: Dotwhat? - The Leading File Extension Resource
Dotwhat.net is a file extension resource website containing detailed information on a huge number of file extensions, such as the software used to create and open files.
filext.com: Filext - The File Extension Source
FILExt.com is the file extension source. Here you'll find a collection of file extensions; many linked to the programs that created the files. This is the FILExt home ...
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