.UPK1 File

The upk1 file extension is associated with the Metro 2033, a 3D action adventure video game for Microsoft Windows operating system, Xbox 360, Playstation 4 and Xbox One video gaming consoles.

The upk1 file stores some kind of game data.

How to open:

You cannot open this file type manually, it is accessed by the game automatically.

How to convert:

These games files cannot be converted to anything else. However, sometimes modding.