.TDT File Extension

There are 3 file types use the .TDT file extension:

  1. Sim Tower Game File
  2. FirstBreak Concrete Test File
  3. THOR Data Tree File

1. Sim Tower Game File

Sim Tower Game File
  • Developer Maxis
  • Popularity
    4.5 (2 votes)
  • Category Game Files
  • Format N/A

File created by Sim Tower: The Vertical Empire, a tower construction and management simulator; contains tower gameplay data such as a bank, office, cinema, or hotel; not meant to be manually opened.

NOTE: Sim Tower was developed for Windows and Macintosh and released in 1994. It is no longer maintained. If you want open the application you will need a DOS emulator such as DOSBox.

Software's name License Platforms
Maxis Sim Tower: The Vertical Empire Maxis Sim Tower: The Vertical Empire Free LinuxMacWindows

Updated: April 4, 2014

2. FirstBreak Concrete Test File

FirstBreak Concrete Test File
  • Developer LogicSphere
  • Popularity
    4.4 (5 votes)
  • Category Data Files
  • Format Text

File used by FirstBreak, a program that tests the strengths of concrete mixes; contains the test results of concrete batches, including the batch reference, date, test specimen strengths, slump, air content, and temperature.

TDT files are used for logging concrete tests and providing input into FirstBreak statistical analysis tests. They are stored in a .CSV format.

Software's name License Platforms
LogicSphere FirstBreak LogicSphere FirstBreak Windows

Updated: November 20, 2009

3. THOR Data Tree File

THOR Data Tree File
  • Developer Daylight Chemical Information Systems
  • Popularity
    4.0 (3 votes)
  • Category Data Files
  • Format Text

THOR Data Tree (TDT) file used by THOR-Merlin, a database program used to store and retrieve chemical information; contains data similar to a thesaurus that relates chemical information and concepts.

TDT files are used to relate information and transmit information between programs that use different languages and terms. They are stored in a plain text format, but are not easily human-readable due to their custom syntax.

Software's name License Platforms
Daylight THOR-Merlin System Daylight THOR-Merlin System Windows

Updated: July 29, 2010

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