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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
OFM - Extension Details
Date Added: January 01, 1970
File Extension:  .OFM
Description 1: OFM is the file extension identifying OmniForm Form files. Omniform is a Nuance application used for creating different forms from scratch and converting Adobe PDF and MS Word files into forms that can be filled out using the OmniForm Filler, which comes included with the OmniForm application program. Attachments, calculations, automatic form fillups from previously input data, field validation and digital signatures are all supported by the OFM format. Scansoft is the firm behind the original development of OmniForm.
File Type:   Image File
Mode: Binary
Program(s) to Open:  Windows: Nuance Communications OmniForm
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