Delete files from Office Document Cache
Supported on: At least Windows Server 2008 R2 or Windows 7
Registry
software\policies\microsoft\office\16.0\common\fileio Value name: disablelongtermcaching
Enabled: disablelongtermcaching = 1
Disabled: disablelongtermcaching = 0
Description
This policy setting determines whether or not documents opened in Office are deleted from the Office Document Cache when they are closed. If you enable this policy setting documents are deleted from the Office Document Cache when they are closed. If you disable or do not configure this policy setting, documents are not deleted from the Office Document Cache when they are closed. Note: This policy setting does not apply to documents in SharePoint Workspace. Documents in SharePoint Workspace will not be deleted from the Office Document cache when they are closed. Sharepoint Workspace will not work correctly if this Group Policy is enabled.