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Find details about various file extensions. See extension descriptions, associated file types, compatible programs, and more.

Dave Piscitello is an Internet Security Practitioner, technology evangelist and technology author. He blogs as The Security Skeptic on a variety of security related topics.

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Downloadatoz.com offers complete common file extensions list with detailed information about each file extensions and the programs that open the file format.

FILExt.com is the file extension source. Here you

Thousands of file extensions with detailed information about each file type, including a list of programs that open the files.

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Computer Glossary, Computer Terms – Technology Definitions and Cheat Sheets from Whatis.com – The Tech Dictionary and IT Encyclopedia