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While using your computer, you will come across file extensions of various formats. A lot of the time, you may not know what these extensions stand for. Normally, if you know what the extension stands for, you can figure out what the file is for. If you want to be able to quickly tell what a file extension means, you should check out a website called TechFileFormat.

what file extensions stand for

TechFileFormat is a free to use website that lists nearly all computer file extensions along with their meanings. These file extensions are sorted alphabetically and you can quickly browse over to any alphabet you want by clicking on it. Of course you can always use your browser’s Find feature to quickly jump over to your desired extension and its meaning.

techfileformat

Features:

  • A user-friendly web service.
  • Lists nearly all computer file extensions.
  • Shows what computer file extensions stand for.
  • Helps you figure out what a file extension is used for.
  • Similar tools:  FileSuffix and  Wotsit.

Check out TechFileFormat @ www.ace.net.nz/tech/TechFileFormat.html

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  1. Steve
    January 21, 2013 at 1:03 am

    At first it seems to be fairly good, but, considering the bajillion extensions out there, it's quite un-complete.
    Examples:
    Programming languages -- Ruby .RB, Python .PY, Pascal .PAS; Compression formats -- 7-Zip .7z, Bzip2 .bz2, RAR .rar; Open Document Formats -- .odf, .odg, .ods , etc.
    It doesn't even include the popular .SVG scalable vector graphics. It seems about 15 years out of date.

  2. Kendrick Greenway
    January 20, 2013 at 4:28 pm

    Personally, I prefer FileInfo.com. It lists even more extensions, lists programs that you can open the files with (occasionally providing links to their homepage), and lists multiple file types for extensions that can be more than one. Best of all, if you notice an extension/type they missed, they have a handy form to submit one to them, and they generally get it taken care of in 1-2 days.

  3. Paul Girardin
    September 28, 2012 at 7:27 pm

    Thank you for this - Very convenient

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