Policy
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.
PackMicrosoft Office
CategoryMicrosoft Outlook 2016 / Miscellaneous / PST Settings
Policy ID
d9943b2e1426Internal name
L_PreventusersfromaddingnewcontenttoRegistry
Copy registry mappings
HKCU\software\policies\microsoft\office\16.0\outlook\pst\pstdisablegrow (enabled) = 1
HKCU\software\policies\microsoft\office\16.0\outlook\pst\pstdisablegrow (disabled) = 0Policy notes
This setting prevents users from adding any new content to PST files linked to their profiles.
Related policies
Default location for OST filesDefault location for PST filesDo not send meeting forward notificationsLarge PST: Absolute maximum sizeLarge PST: Size to disable adding new contentLegacy PST: Absolute maximum sizeLegacy PST: Size to disable adding new contentPermanently remove all deleted content from PST and OST filesPreferred PST Mode (Unicode/ANSI)Prevent users from adding PSTs to Outlook profiles and/or prevent using Sharing-Exclusive PSTsPST Null Data on DeleteUpgrade only the default store