Forum Discussion
OneDrive - Mass File Deletion by OneDrive
I noticed in late July/early August that files in my OneDrive folders suddenly vanished. More than 25 years' worth data gone. Close to 300 GB of both personal and business data. Only the files were...
This is a severe and known issue. You are not alone. Many users report identical mass file deletion around that time.
Your only real option is to continue escalating with Microsoft Support. Be persistent. Demand they open a ticket for the engineering team. Mention the widespread reports.
Also, check your version history in the OneDrive web interface immediately. It might let you restore a previous state of your folders.