Set the max size of the Office Document Cache
Supported on: At least Windows Server 2008 R2 or Windows 7
Registry
HKCU
software\policies\microsoft\office\16.0\common\fileio Options
maxcachesize decimal
- range 1-20 Description
This policy controls how large the user's Office Document Cache can be. It does not apply to explicitly cached files on "OneDrive for Business Client" and "OneDrive (consumer) Client".