Home : File Types : UPK File

.UPK File Extension

File TypeUnreal Engine 3 Package

DeveloperEpic Games
4.3 (59 Votes)
CategoryGame Files

What is a UPK file?

File used by Unreal Engine 3, a free gaming engine used to develop popular games such as Unreal Tournament 3, Mass Effect, Mirror's Edge, and BioShock; serves as a file container which includes various types of game files; may contain 3D models, textures, maps, music files, game settings, and other files.

More Information

UPK files are used to load on-demand content while playing a game. They can be created and edited using the Unreal Development Kit (UDK), which is the free edition of Unreal Engine 3. However, UDK is no longer supported by Epic Games.

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Programs that open UPK files
Updated 6/28/2018

About UPK Files

Our goal is to help you understand what a file with a *.upk suffix is and how to open it.

The Unreal Engine 3 Package file type, file format description, and Windows programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and only publish information about file formats that we have tested and validated.

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