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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
BBT - Extension Details
Date Added: January 01, 1970
File Extension:  .BBT
Description 1: .BBT file extension is linked with BTwin Local Database File. This is the file extension for the database file utilized by BTwin an application for design and calculation for lowvoltage electrical installations. It has a comprehensive library of electric symbols that are customizable by the user [can create new symbols or import from CAD program]. .BBT file extension and BTwin are owned and developed by ProcedimientosUno S.L.
Description 2: .BBT file extension is linked with CyberSports for Basketball Team File. This is the file extension for he team file utilized by CyberSports for Basketball. This file contains the basketball teams information. CyberSports for Basketball is a program that helps teams and coaches to get the best plays by providing indepth analysis of games and teaming up with computer clubs will also keep your teams website uptodate with the latest seasons game results and summaries.
File Type:   Data File
Mode: ASCII
Program(s) to Open:  Windows: CyberSports for Basketball
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