Opening TDT files

Did your computer fail to open a TDT file? We explain what TDT files are and recommend software that we know can open or convert your TDT files.

What is a TDT file?

TDT is an acronym for THOR Data Tree. TDT files are used by the THOR-Merlin database application.

The THOR-Merlin software is used to store and review chemical information. The TDT files that are used by this program are stored in plain text format and are then used to transmit chemical information between various software applications.

The TDT files that are used by the Thor Data Tree are saved in a plain-text format.

Files that contain the .tdt file suffix are also known to store AVCHD thumbnail files. These files are thumbnail icons of a high-def video recording. The file format was introduced by Sony and Panasonic in 2006 for their digital HD camcorders.

Software that will open or convert TDT files

KMPlayer Download Now
WinRAR Download Now
Media Player Classic - Home Cinema Download Now
The Tournament Director Download Now
SimTower Download Now


Program has been verified by to open TDT files.
Every day, thousands of users submit information to us about which programs they use to open certain types of files. Our users primarily use the above programs to open TDT files.

Try a universal file viewer

In addition to the products listed above, I would suggest that you try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and very likely yours too » Free Download.

By Prof. Jones (The File Expert)
Chief Content Editor and File Expert
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