I have PE 2020 on my Mac PC running Monterey 12.0.1.
I attempted to back up my catalog to an external Seagate 4TB drive
After approx 6-7 hours it repoarted that back up was complete.
However any attempt to restore the back up failed, on checking the back up location there wasn't a .tly file.
I had .bmp, .tif, .mov, .png, .json, jpg, .xmp, .psd files by the hundreds but no .tly file.
Any ideas for a solution?