Prevent users from adding new content to existing PST files

This setting prevents users from adding any new content to PST files linked to their profiles.


Supported on: At least Windows 7
Registry HiveHKEY_CURRENT_USER
Registry Pathsoftware\policies\microsoft\office\16.0\outlook\pst
Value Namepstdisablegrow
Value TypeREG_DWORD
Enabled Value1
Disabled Value0

outlk16.admx

Administrative Templates (Computers)

Administrative Templates (Users)