Files with usdx file extension can be found as game data files from Tom Clancy's Rainbox Six: Vegas computer game.
Software that open usdx file
USDX file extension - Tom Clancy's Rainbow Six: Vegas game data
What is usdx file? How to open usdx files?
File type specification:
The usdx file extension was used for one of the game resource packages in Tom Clancy's Rainbow Six: Vegas computer game. Found as weapons.usdx, and perhaps as other files.
The default software associated to open usdx file:
Tom Clancy's Rainbow Six: Vegas 
Company or developer:
Ubisoft Entertainment S.A.
Tom Clancy's Rainbow Six: Vegas is a tactic driven shooter from a popular franchise. It was released by Ubisoft in 2006.
List of recommended software applications associated to the .usdx file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open usdx file, edit usdx file, convert usdx file, view usdx file, play usdx file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with usdx file - Tom Clancy's Rainbow Six: Vegas game data
Click on the software link for more information about Tom Clancy's Rainbow Six: Vegas. Tom Clancy's Rainbow Six: Vegas uses usdx file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).
