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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
BC - Extension Details
Date Added: January 01, 1970
File Extension:  .BC
Description 1: .BC file extension is linked with BitComet Partially Downloaded File. BitComet is a P2P BitTorrent file sharing application. BC files may be stopped by the user or a current download. A dropped or halted connection between the server and user can be resumed so long as the file is still available in other servers within the network. Original BitTorrent downloads carry the .TORRENT file extension. .BC file extension and BitComet are owned and developed by BitComet.com.
Description 2: .BC file extension is linked with Low Level Virtual Machine [LLVM] Bytecode. This is the file extension for the byte code utilized by LLVM a wellsuited and robust system for developing new midlevel languagedependent optimizations and analyses such as interprocedural analysis and sorts. It is also a great objective for frontend development for research or conventional programming languages. LLVM is owned and developed by the University of Illinois at UrbanaChampaign Computer Science Development.
Description 3: .BC file extension is linked with Print Artist Business Card File. This is the file extension for the business card file generated/utilized by Print Artist a program for creating greeting cards, banners, signs, flyers, calendars, craft projects and many more. It is an ideal tool for creating excellent graphics minus the high price. Users can select their preferred project type and design, customize their graphics and text, and of course, print their finished project. Print Artist is owned and developed by Sierra Entertainment, Inc.
File Type:   Data File
Mode: ASCII
Program(s) to Open:  Windows: Print Artist
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