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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
K25 - Extension Details
Date Added: January 01, 1970
File Extension:  .K25
Description 1: .K25 file extension is linked with Kodak DC25 digital camera file. .K25 also pertains to the image file format used by Kodak. .K25 is associated with other applications such as: ACDSee 10 Photo Manager from ACD Systems International Inc. an application that helps organize photos, offers extensive format support for video, images and audio; XnView from Pierre.e Gouqelet: an application/utility for viewing and converting graphics files, and it is provided as freeware for educational, noncommercial and private use.
Description 2: .K25 file extension is linked with Kurzweil 2500 sample file which uses 16bit mono sound format. This application contains names, loops, layers, collection, MIDI song, instruments and multiple filter types. The K25 file format is used for saving data into a floppy disk and the .K25 file extension represents a newer K2500 synthesizer file. .K25 is also associated with Awave Studio from FMJ Software.
File Type:   Audio/Music File
Mode: Binary
Program(s) to Open:  Windows: FMJ Software Awave Studio
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