Usage

• The file extension .TGD is appended to files that make up a digital tachograph used to measure driving behavior, according to the file extension reference website File-Extensions.
  
  

Storage

• The File-Extensions website reports that software developers typically store digital tachograph files with a .TGD extension on a smart media card inserted into the digital tachograph device.
  
  

Applications

• TGD files work with the Nimbus 7 SAMS device, according to the software website LiUtilities. For this reason, other devices and applications might be unable to open, read or modify these files.
  
  

National Origin

• TGD files and their associated applications originated from the Ministerio de Fomento in Spain, according to the file extension reference website FilExt.
  
  

Associated Files

• Other file extensions associated with the Nimbus 7 SAMS device, according to File-Extensions, include .MMT and .RAT.