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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
NPF - Extension Details
Date Added: January 01, 1970
File Extension:  .NPF
Description 1: NPF is the file extension linked to NickOMatic Design Factory Project. Nero SoundTrax, a professional application for audio CD production uses it for its projects. Nero is a multimedia suite bestseller behind the bringing together your computer and the digital world. With it, you can manage and organize all multimedia files as well as create and edit fresh digital content. Free positioning of multiple soundtracks, multichannel optimized effects and record surround panning count among Nero SoundTrax many features.
File Type:   Audio/Music File
Mode: Binary
Program(s) to Open:  NERO, NERO SoundTrax
Common:
Extension: