This issue has been solved by both **Arkiras and NotSoAccurateNo1 **in two different methods, if you’re having the same issue, check out their messages below. Feel free to revive this thread with new comments, but don’t expect new responses.
I want to import cubemaps I rendered out in blender into unreal, but I can’t for the life of me figure out how I get from a .png image that blender exports to the very specific kind of .dds that UE4 asks for. I’ve tried the ATI tools, which only give me coloured cubemaps and I can’t figure out how to export my .png cubemap instead of the placeholder colours and the NVIDIA tools won’t let me import my cubemap as a cubemap and just completely remove the option of exporting it as one.
Here’s an example of a test cubemap I’ve rendered out: