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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
Z64 - Extension Details
Date Added: July 09, 2008
File Extension:  .Z64
Description 1: The .Z64 file extension is associated with the Nintendo 64 video game ROM image. It features an exact copy of data found in the N64 game cartridge. People can play games with the Z64 extension on computers by using N64 emulation program software. N64 game ROMs also utilize the .N64 file extension.
File Type:   Game file
Mode: Binary
Program(s) to Open:  Macintosh: Mupen64, N64emu, SixtyForce OSX Windows: Daedalus, Mupen64, N64emu, Nemu64, Project64, SupraHLE, 1964
Common:
Extension: