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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
OFL - Extension Details
Date Added: January 01, 1970
File Extension:  .OFL
Description 1: .OFL is the file extension that is short for Ots File List. It is an ASCII text file containing lines of text referencing media files. Every line has an absolute path to the media files found on the list. This type of file can be utilized to generate playlists for the OtsAV program software.
File Type:   Text file
Mode: ASCII
Program(s) to Open:  Windows: Ots Labs OtsAV DJ, Ots Labs OtsAV Radio, Ots Labs OtsAV TV
Common:
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