An upkg file extension is related to the Unreal Engine and used for its package flags.

Detailed description

Software that open upkg file

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UPKG file extension - Unreal Engine package flag

What is upkg file? How to open upkg files?

File type specification:

Various data file type icon Various data file type

The upkg file extension is related to the Unreal Engine, a multi-platform video gaming engine developed by Epic and used by various computer games.

The upkg file  is a simple text file that the UnrealScript compiler will look for to know what initial PackageFlags to use for the compiling package.

The default software associated to open upkg file:

Unreal Development Kit picture or screenshot

Epic Games, Inc. logoUnreal Development Kit  Microsoft Windows software

Company or developer:
Epic Games, Inc.

Unreal Development Kit is complete professional development environment for Unreal Engine 3 game engine.

Help how to open:

Use any text editor to view content of *.upkg files.

How to convert:

As far as we know, this .upkg file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of software applications associated to the .upkg 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 upkg file, edit upkg file, convert upkg file, view upkg file, play upkg file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting upkg files.

Programs that can create upkg file - Unreal Engine package flag

Programs supporting the exension upkg on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Unreal Development Kit for create upkg file action.

Microsoft Windows:

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