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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
VMSN - Extension Details
Date Added: January 01, 1970
File Extension:  .VMSN
Description 1: VMSN is a file extension referring to a snapshot state file. It is useful for storing the running state of virtual machines at the time a person takes a particular snapshot. Snapshot.vmsn is the file that stores a snapshots state. An application associated with VMSN is VMware Workstation, a program simplifying the process of creating and running multiple virtual machines on a laptop or desktop. With it, users can use their virtual machines to run Linux, Windows and other operating systems sidebyside on the same PC.
File Type:   Binary file
Mode: Binary
Program(s) to Open:  Associated application: VMware Workstation by VMware, Inc. VMSN files are part of profile and virtual machine files VMware virtualization software uses. Run virtual machine using VMware.
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