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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
JAM - Extension Details
Date Added: September 11, 2008
File Extension:  .JAM
Description 1: .JAM file extension is linked with JAM musical score an application that lets users input and edit plain, humanreadable chords. The program makes notes and chords using text; making it easier and convenient than other formats. JAM files do not have actual audio data but they can playback audio samples. JAM musical score and .JAM file extension are owned and developed by Pyva.net.
Description 2: .JAM file extension is linked with PS3 Unreal Tournament 3 Mod File. It is an addon or modification file for Playstation 3 version of UT3. JAM files carry modifications to objects, characters, gameplay or maps. It is commonly named as USERDATA.JAM. JAM files require USB flash drive or memory card for storage in order for the game to work on a PS3. Jam files are not made for PCs.
Description 3: .JAM file extension is linked with Leisure Suite Larry: Magna Cum Laude Archive File. This is the archive file format utilized in Leisure Suite Larry: Magna Cum Laude a computer game released in 2004 which is a part of the Leisure Suit Larry game series. In this game, a new main character is introduced named Larry Lovage which is Larry Laffers nephew. .JAM file extension and Leisure Suite Larry: Magna Cum Laude are owned and developed Sierra Entertainment Inc.
File Type:   Archived/Compressed File
Mode: Binary
Program(s) to Open:  Windows: Leisure Suite Larry: Magna Cum Laude
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