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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:
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DVRMS - Extension Details
Date Added: January 01, 1970
File Extension:  .DVRMS
Description 1: .DVRMS file extension is linked with Microsoft Digital Video Recording. It is the video format utilized for storing recorded TV content. It was introduced by MS Windows XP Media Center Edition. This file allows DRV functions such as pausing live TV, simultaneous recording and playback, and timeshifting. The video is programmed as MPEG2 and the audio as MPEG1 Layer II.
File Type:   Movie, Video & Multimedia File
Mode: Binary
Program(s) to Open:  Windows: Microsoft Windows Media Player [requires: XP SP1 or later], Roxio Easy Media Creator
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