A trasave file extension is related to the Tomb Raider: Anniversary and used for its saved game files.
TRASAVE file extension - Tomb Raider: Anniversary saved game
What is trasave file? How to open trasave files?
File type specification:
The trasave file extension is associated with the Tomb Raider: Anniversary, an action-adventure video game for Microsoft Windows operating system and various video gaming consoles.
The trasave file stores saved player's progress in the game.
This trasave file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.