If you did not come here directly or via a search then it's likely that you clicked on a file that Windows did not know how to open, you then picked the "search the Internet" option from the dialog and clicked on the search link on the Microsoft page that suggested you come here (or to our sister site cknow.com) to do the search. Please understand that you did not come here because we installed some software on your system. FILExt only exists on the Internet and we don't install software on your system. Basically, you got here to search for the name of a program that uses a particular file extension

? What is a File Extension

A file extension is nothing more than the last characters after the period in the name of a file. For a detailed explanation, examples, and a method of setting your system so that it shows file extensions please see this FAQ. If you are looking for a CODEC because an audio or video file won't play, please see this FAQ

?How do I Use FILExt

FILExt is a database of file extensions and the various programs that use them. If you know the file extension you want to learn about simply enter it into the search box on the left and click on the Search button. If it's in any of the FILExt databases the data we have on that file extension will be shown on a results page. If it's not in any of the databases you will be given a link to a page with hints on how to do further research. Don't search on terms; just file extensions and only one at a time please. There will be another search box on the results page if you have multiple searches to do

It's possible that the search will give you multiple results as there is no central registry for file extensions. If so, you will have some detective work to do; read the results page carefully as there will be hints on how to do this detective work

Enter FileExt.Com

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