Large PST: Size to disable adding new content

Specifies the size at which Outlook will no longer accept new content into an Outlook Data File.


Supported on: At least Windows 7

Enter size to disable adding new content to PST (in megabytes)

(0 - 4,294,967,295 MB)

Registry HiveHKEY_CURRENT_USER
Registry Pathsoftware\policies\microsoft\office\16.0\outlook\pst
Value Namewarnlargefilesize
Value TypeREG_DWORD
Default Value
Min Value
Max Value4294967295

outlk16.admx

Administrative Templates (Computers)

Administrative Templates (Users)