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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
SCPT - Extension Details
Date Added: December 03, 2009
File Extension:  .SCPT
Description 1: File extension .SCPT refers to scripts created with the Apple Script Editor. These files are written in an automation scripting language used by Mac computers called AppleScript. SCPT files can be generated by recording actions, but they can also be written manually. Compile completed AppleScripts into executable applications or run them within the Script Editor program.
File Type:   Executable file
Mode: Binary
Program(s) to Open:  Macintosh: Apple Script Editor
Common:
Extension: