https://support.office.com/en-us/article/Fix-OneDrive-sync-problems-83ab0d8a-8400-45b0-8dcf-dc8aa8a6bcf8?ui=en-US&rs=en-US&ad=US&fromAR=1


https://support.office.com/en-us/article/Fix-OneDrive-sync-problems-83ab0d8a-8400-45b0-8dcf-dc8aa8a6bcf8?NS=GROOVE&Version=16&SysLcid=1033&UiLcid=1033&AppVer=ODB160&HelpId=1124&ui=en-US&rs=en-US&ad=US

https://support.office.com/en-us/article/Repair-sync-connections-in-OneDrive-for-Business-21aac895-9f32-4e3e-a75a-6f12824f0975?ui=en-US&rs=en-US&ad=US&fromAR=1


https://www.windowscentral.com/9-tips-help-you-fix-onedrive-sync-problems-windows-10