Game Texture Dictionary
Games such as the Grand Theft Auto series as well as others use data files that contain textures for the game and are often used by the Renderware 3D engine.
The textures contained in these files can include billboards or Clothes etc.
The extension used for these files is .txd which is also known as a Game Texture Dictionary.
» TXD Builder
How to open .txd files?
Software to open .txd files
What are .txd files