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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
PC2 - Extension Details
Date Added: January 01, 1970
File Extension:  .PC2
Description 1: File extension .PC2 is associated with a graphic format that Degas Elite uses. Degas Elite is an image editing application for Atari ST systems. PC2 files supports four colors and features 640x200 standard resolution. Open such files with Degas Elite on Atari systems. The .PI2 extension is also utilized by Degas Elite 2 files.
File Type:   Raster Image file
Mode: Binary
Program(s) to Open:  Windows: Logipole Konvertor, XnView Macintosh: Lemkesoft GraphicConverter, XnView
Common:
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