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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
NIB - Extension Details
Date Added: February 01, 2009
File Extension:  .NIB
Description 1: Disk images are typically files that contain every single data byte on a diskette files, DOS, catalog tracks and others. .NIB is a kind of disk image that attempts to preserve all disk info sync bytes, sector headers and so on. A .NIB file can be utilized like a diskette on common Apple II emulators. The standard length of one .NIB file is 232,960 bytes way bigger than a .DSK. However, given that NIB files feature sector address header along with other nondata "embedded diskette info, it is possible to use the files to image some protected disks. NIB files preserve DOS 3.3 volume numbering, allowing programs using volume numbers to identify their disks to load or run on emulators.
File Type:   Disk Image [ISO] Binary
Mode: Binary
Program(s) to Open:  Windows: Apple2 Oasis, AppleWin or Apple//e Emulator
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