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UPK UASSET
Not possible

Convert UPK to UASSET

Can you convert UPK to UASSET?
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Is it possible to convert UPK to UASSET?
No - not a direct conversion.

.uasset is the UE4/UE5 asset format; you cannot simply convert a UE3 .upk to it. Engines differ in package layout and asset versions. To reuse assets, extract them from the .upk (UE Viewer) and re-import the raw meshes/textures into a UE4/UE5 project.

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Last verified Oct 2026

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Converting UPK to UASSET

A .UPK file and a .UASSET file hold different kinds of data, so there is no direct way to turn one into the other.

A full step-by-step guide for this conversion is on the way; the information above is drawn straight from our database.

About these formats

.UPK Unreal Engine 3 Package

A UPK file is an Unreal Engine 3 package - a binary container holding cooked game assets (meshes, textures, sounds, animations, scripts) for UE3 titles such as Mass Effect, BioShock, Unreal…

Open .UPK details →
.UASSET UnrealEd resource

A .UASSET file is associated with UnrealEd resource, a game file.

Open .UASSET details →