Packaged Win64 project .UBULK, .UEXP, and .UMAP files?

Development Platform & Builds
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1

Ahoy!

I’m noticing 3 different files for my map in a packaged project: map.ubulk, map.uexp, and map.umap. The ubulk and uexp files are both very large. Do I need all 3 of these files? I tried searching for a definition of the different map file types but could not find an answer. If anyone could enlighten me I’d appreciate it!

2

Bump. Noone has an answer for this?

3

Yes, you need all 3 files. They contain bulk data like lightmaps, which are usually much larger than the map itself.

4

Ah I see. I’ll have to try to find other ways to reduce the file size of my map itself and just project in general then. Thanks very much for the response!