Office document cache location
Supported on: At least Windows Server 2008 R2 or Windows 7
Registry
HKCU
software\policies\microsoft\office\16.0\common\fileio Options
msoridofficefilecachelocation text Description
This policy setting determines the location where Office maintains the Office Document Cache. If you enable this policy setting, you can specify the location where Office maintains the Office Document Cache. If you disable or do not configure this policy setting, the Office Document Cache will be stored in the following location: %LocalAppData%\Microsoft\Office\16.0\OfficeFileCache