The File Extensions Database

.MDT File Extension

  • Developer by: Microsoft
  • Category: Data Files
  • Format: Binary

What is an .MDT file?

.MDT is Microsoft Access Data File

Data file used by Microsoft Access, a relational database management system (RDBMS) for desktop computers; stores data used for the software and may include data for software add-ins.

Programs that open Microsoft Access Data File
Microsoft Access 2016
File Type 2 GeoMedia Access Database Template
Developer by: Intergraph Category: Database Files Format: Binary

Database template file used by GeoMedia, a software package used for geospatial processing; saves the default structure of an Access database and can be used for initializing an Access database (.MDB) file with geospatial data.

The default Access database template used by GeoMedia is saved in the file normal.mdt.

Programs that open GeoMedia Access Database Template
Intergraph GeoMedia

How to solve problems with MDT files

  • Associate the MDT file extension with the correct application. On :
    Windows: Right click on any MDT file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.MDT files". Mac: Right click (or Ctrl-click) the MDT file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .MDT is Microsoft Access Data File. Because only the current version supports the latest MDT file format. Search, therefore, e.g. on the Microsoft manufacturer website after an available .MDT is Microsoft Access Data File update.
  • To make sure that your MDT file is not corrupted or virus-infected, get the file again and scan it with antivirus software.