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What's an .aac? .vcf? rtf?

Ever wondered what all those extensions at the end of files mean? FileInfo.com bills itself as the definitive resource for information about file extensions and file types, which it really is. Straight from the horse's mouth:

FileInfo.com

FileInfo.com contains a searchable database of thousands of file extensions with detailed information about the associated file types. Programs for opening the files are listed for Macintosh, Windows, and Linux platforms.

If you come across a file or e-mail attachment with an unknown file extension, you can look up the file association using FileInfo.com. Simply use the search box in the top-left corner of each page to search for a specific extension. If you are not sure of the file extension, you can use the Advanced Search option to search by File Type, Program, Description, or Company.

For an overview of common file types, visit the "Common File Extensions" page, which includes a list of important file formats you should know.

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Tags: general computing, Mac

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