Description:
There are 2 types of tachograph files extensions:
DDD - "Digital Download Data", file format for files and read from Tachograph mass memory / Digital Driver card;
TGD - Tachograph mass memory/Driver card file extension, required by Ministerio de Fomento (The Ministry of Public Works and Transport of Spain).
Possible tacho file naming options in TT2:
Object title with file period
European
French
Spanish
You can choose to get TGD or DDD type tachograph files in a webuser Account settings. The "Spanish" option will change the tacho format from .ddd to .tgd for downloads. The adjusted settings should be saved like below:
Related documentation:
Account settings (section: Tacho settings)