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Welcome to File-Extension.info

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    What is file extension?

    A file extension, also called sometimes as a file type or a file format, is nothing but a sequence of several symbols at the end of each file name. On its basis, we obtain the information about the data encoded in the file.
    For example, the file file.avi has the file extension .avi. On the basis of the extension, we learn that this is a video (and not a text file or spreadsheet).

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    How can we help you?

    If you are here, then you probably have a problem with opening an unknown file type. If we have an file extension that you are looking for in our database, then you will find a list of programs to help you open or convert your file.

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    What the whole file conversion is about?

    If for some reason you can not use programs to handle your file then there is a chance that you can change the format of your file. In our database you will find a list of conversion options for your file and programs that will help you to perform the conversion. After converting, you will have more options to open or edit the file.

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    Can I download the programs to handle or convert my file on this page?

    We do not collect installation files for all applications on our servers. We will help you, however, as carefully as possible, to find the right application - providing a link to the developer's website or help to find them on the Web.

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APPX

Windows 8 App Package

APPX file format was introduced along with Windows 8 i Windows Phone 8.1 operating systems as a file distibution format for applications available ...