A Microsoft file hosting and synchronization service.
Open the Run command (Win+R) and type the following in (or navigate to it in Windows Explorer:
%LocalAppData%\Microsoft\OneDrive\settings\Personal\
Open ClientPolicy.ini
Find the MaxClientMBTransferredPerDay variable and change its value from 537600 (525GB) to something higher, like 5376000 (5250GB)
Restart OneDrive