File Extension Library

.MDF File Extension

  • Developer by: Microsoft
  • Category: Database Files

What is an .MDF file?

.MDF file extension is created by Microsoft. .MDF has been classified as Database Files.

.MDF is SQL Server Database File

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.

List of all softwares that can open the SQL Server Database File
Microsoft SQL Server 2016
Microsoft Visual Studio 2017
Aryson SQL Database Recovery
File Type 2 Media Disc Image File
Developer by: Alcohol Software Category: Disk Image Files

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.

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.

List of all softwares that can open the Media Disc Image File
Alcohol 120%
CyberLink PowerDVD 17
Smart Projects IsoBuster
WinMount International WinMount
DT Soft DAEMON Tools
H+H Software Virtual CD
File Type 3 Measurement Data Format File
Developer by: Vector 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.

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

List of all softwares that can open the Measurement Data Format File
Vector CANape
Vector CANgraph
Vector MDF Validator
National Instruments DIAdem
File Type 4 Translation Memory Data Find File
Developer by: SDL Category: Misc Files

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

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

How to Open .MDF file on different platforms

Open .MDF File on Windows

  • Right-click a .MDF
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .MDF file and Select check box "Always use this app to open .MDF files" Press "Ok"

Open .MDF File on Mac

  • Right-click (or Ctrl + Left-click) the .MDF file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .MDF File on Linux

Right click on the .MDF file, choose "Open with" and select a program from the list above

Open .MDF File on iPhone

Select a file. If you don't see an application to open the .MDF file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .MDF File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .MDF files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .MDF files

  1. You need to update the application that you normally use to open .MDF files. Only the latest version of the software supports the current .MDF file format
  2. You need to check the .MDF file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)