post hoc ergo propter hoc if you can open a (copy) of a known working project and break it again by opening it that way, that's a bug I'm sure Allegorithmic will want to know about. If not I'd assume it's a coincidence and cosmic rays happened to eat your project last time you saved. I doubt adding .spp to windows…
Hello people. I was working on a substance project for a quite long time and I wanted to do the finishing touches today for the final renders. the save file has always been blank (A file that doesn't have an assigned program to run it if you click on the file to open it ) I always opened the project IN substance painter.…