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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
BOM - Extension Details
Date Added: July 03, 2009
File Extension:  .BOM
Description 1: .BOM file extension is linked with MicroSim PCBoard Bill of Materials. This is the file extension for the bill of materials utilized by MicroSim PCBoard. .BOM file extension is also associated with OrCAD PCB Designer a fullyintegrated design flow program that includes: designcapture technology, constraint manager, auto/interactive router, PCB editor, component tools, and manufacturing and mechanical CAD interfaces. OrCAD PCB Designer is owned and developed by Cadence Design Systems, Inc.
Description 2: .BOM file extension is linked with OrCAD Schematic Capture Bill of Materials File. This is the file extension for the schematic bill of materials utilized by OrCAD PCB Designer a fullyintegrated design flow program that includes: designcapture technology, constraint manager, auto/interactive router, PCB editor, component tools, and manufacturing and mechanical CAD interfaces. OrCAD PCB Designer is owned and developed by Cadence Design Systems, Inc.
File Type:   Data file
Mode: ASCII
Program(s) to Open:  Windows: OrCAD PCB Designer
Common:
Extension: