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. filext helps you identify, open, view or convert unknown files.

fileinfo is the central file extensions registry and contains a database of over 10,000 file types.

filesuffix.com is a daily updated filename extension database.

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best free online tools & complete updated file types database by fileproinfo.com and is the files information database of over 15,000+ file extensions and file types, software programs, free online apps and tools, videos and images and much more.

if you are seeking information about file extensions, then you are in the right place at right time.

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thanks to file-extension.org, you will find out what program you should use to open the files with unknown extensions. in addition, you will find here information about file conversion.

file-extension.info will help you solve the basic issues with file extensions.