.MDF File Extension

File Type 1

Media Disc Image File

Developer Alcohol Software
4.1  |  499 Votes
Category Disk Image Files
Format N/A

What is an MDF file?

An MDF file is a disc image saved by a disc authoring program such as Alcohol 120%. It stores the actual CD or DVD disc data, while the header and track information is stored in a corresponding .MDS file. MDF files are similar to .ISO files, but are saved in a different format.

More Information

MDF files may also be accompanied by .MDS files, which contain metadata about the MDF files. they include information, such as where the disc layers begin and end and copyright information.

Open over 400 file formats with File Viewer Plus.Free Download

Programs that open or reference MDF files

Updated November 9, 2017
File Type 2

SQL Server Database File

Developer Microsoft
4.0  |  299 Votes
Category Database Files
Format N/A

Primary database file format used by Microsoft SQL Server, an enterprise-level database program; used for database files installed with SQL Server and related add-ons; custom MDF files may also be created by the user.

Programs that open MDF files

Updated February 5, 2018
File Type 3

Measurement Data Format File

Developer Vector
3.9  |  86 Votes
Category Data Files
Format Binary

Standard file format used by the automotive industry for storing measurement data; contains raw measurement data from a measurement and the metadata necessary to interpret the raw data.

More Information

NOTE: The Vector MDF Validator is used for validating MDF files.

Programs that open MDF files

Updated October 17, 2017
File Type 4

Translation Memory Data Find File

Developer SDL
3.5  |  66 Votes
Category Misc Files
Format N/A

Supporting file for a translation memory used by Trados translation software; enables fast look up of data within the translation memory.

More Information

A translation memory (TM) includes five file types including MDF, .TMW, .IIX, .MTF, and .MWF files.

Programs that open or reference MDF files

SDL Trados
Updated January 5, 2009

Verified by FileInfo.com

The FileInfo.com team has independently researched all file formats and software programs listed on this page. Our goal is 100% accuracy and we only publish information about file types that we have verified.

If you would like to suggest any additions or updates to this page, please let us know.