Forum Discussion
Thumbnail previews not working after switch from Onedrive Private to Business
In short. After switching to Onedrive for Business (was using a personal Onedrive before), the thumbnail preview in Windows File Explorer stopped working for several filetypes. All files are synced...
For me, it's been the same bug since 2025.
I've tried all the workarounds, but without success.
But for the past month, some STL or 3MF files have been displaying, while others haven't (whether they're recent or older).