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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
MSV - Extension Details
Date Added: January 01, 1970
File Extension:  .MSV
Description 1: .MSV file extension is linked with Memory Stick Voice File. This is the compressed audio file format utilized by Sonys Memory Stick IC recorders [i.e. ICDMS1 and ICDMS515]. Sony launched Memory Stick in October 1998. It is a removable flash memory card format which is also generally used to identify/describe the entire family of Memory Sticks. The Memory Stick PRO is a revised version of the original Sony Memory Stick and it allows a maximum storage space and has faster file transfer speeds, and this version is also smaller than the original.
File Type:   Audio and Music File
Mode: Binary
Program(s) to Open:  Windows: Microsoft Windows Media Player with Sony Player plugin, Sony Digital Voice Player or Editor
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