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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
VRO - Extension Details
Date Added: January 01, 1970
File Extension:  .VRO
Description 1: .VRO is the extension for the video format utilized for DVD discs realtime or streaming recording. Files with the .VRO attached contain actual video and audio recordings and work with .IFO files, telling the DVD player the location of VRO files. Use conversion utilities like AVS Video Tools VRO Converter and AuthoringWare DVD Integrator to covert VRO files into standard .VOB files. Changing the extension to ".MPG allows other videoediting applications to read VRO files, but without altering the file format. Switch the extension back to ".VRO if the file fails to open after modifying the extension.
File Type:   Video file
Mode: Binary
Program(s) to Open:  Windows: AuthoringWare DVD Integrator, AVS Video Tools, CyberLink PowerDVD, InterVideo WinDVD Platinum, NVIDIA NVDVD Macintosh: Squared 5 MPEG Streamclip (will not recognize chapter markers)
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