If so, that may be why they are there.
As a Windows PC user you know you must keep backups. If you don't, loss is certain.
I have been using Windows 10 for 2 years and have never used OneDrive. Since last week I have been unable to locate the document, music, and pictures files except recent ones that I have found in OneDrive which I have never used. Can anyone help me locate my missing files.

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic