.MDT File Extension
File Type 1Microsoft Access Data File
What is an MDT 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.
File Type 2GeoMedia Access Database Template
.MDT File Association 2
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.