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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
8BS - Extension Details
Date Added: January 04, 2009
File Extension:  .8BS
Description 1: File extension .8BS is associated with Photoshop 5.0 Selection Plugin. .8BS files introduce extra image selection options to the Photoshop program. These files are useful for creating or modifying selection masks or image choices. The .8BS files belong in the Plugins Folder under the Photoshop folder. They need to be placed there prior to opening Photoshop so they are available for the application.
File Type:   Plugin file
Mode: ASCII
Program(s) to Open:  Mac and Windows: Adobe Photoshop 5.0 or later, or Photoshop Elements
Common:
Extension: