User Configuration > Administrative Templates > Microsoft Publisher 2016 > Publisher Options > Save
User
HKCU\software\policies\microsoft\office\16.0\publisher\preferences
This policy setting allows you to specify the Save Autorecover interval in minutes. If you enable this policy setting, you may specify the Save Autorecover interval in minutes (valid range: 1-120). If you disable or do not configure this policy setting, the interval specified in the UI will be used.