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The File Extension Library

What is a file extension?

Short answer: it's the set of letters after the period (.) in the name of a file.

Long answer: File extensions signify the file format of a file. It tells the operating system (OS) how data was stored in the file. Not all OS, require a file extension though. For instance, this is optional in Unix, but is mandatory with MS-DOS and Windows systems.

In most file formats the file type is actually defined by the contents (first bytes, file structure), but extensions are used to define the application that is used for opening the file.

Below is a detailed database of thousands of file extensions our team has compiled for you. Feel free to browse!


Browse all Extensions:
ABCDEFGHIJKLMNOPQRSTUVWXYZ
XPS - Extension Details
Date Added: April 09, 2008
File Extension:  .XPS
Description 1: An XPS file is a descriptor file that contains info written and found in the XPS page description language that Microsoft developed. XPS files are formatted much like XML files. They can define the appearance, printing info and layout for a particular document. The .XPS file extension was crafted to replace the .EMF or Enhanced Metafile format, which is similar to the .PDF file, only, it is based on XML rather than the PostScript language.
File Type:   Text file
Mode: ASCII
Program(s) to Open:  Windows: Nuance PDF Converter, Microsoft XPS Viewer
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