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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
TMW - Extension Details
Date Added: April 02, 2009
File Extension:  .TMW
Description 1: File extension .TMW is attached to files containing translation and linguistic units for a translation memory [TM] utilized by the Trados document translation program. TMW files enable continual growth and learning from the translator. Trados Translators Workbench opens TMW files directly. A TM features five filetypes .MDF, .TMW, .MTF, .MWF and .IIX files.
File Type:   Data file
Mode: ASCII
Program(s) to Open:  Windows: SDL Trados
Common:
Extension: