Data Formats - Musharof Chy
Extension.info
Database of file extensions, file conversions and software to work with unknown file extensions
Almost Every File Format in the World
Names many file formats and their extensions.
FILExt
Searchable database of file extensions for data formats, with information and notes on each.
Dot What?!
Database of file extension information. Supports users comments and submissions. Includes discussio...
DaubNET File Format Collection
The full specifications of various file formats.
FileInfo.com
Database of file extensions with information about each file type.
Sustainability of Digital Formats Planning for Library of Congress Collections
Provides information about digital content formats from the viewpoint of maintaining sustainable an...
UK National Archives PRONOM Technical Registry
Resource for those requiring definitive information about the file formats, software products and o...
File Formats Magic Database
Contains information on main file formats as well as an FFID registry and a signature file permitti...