Pst default Size Information :How do I increase the maximum file size of an UNICODE pst file. The default size is 20 GB but as far as I know there must be a registry value that allows to increase the maximum up to approximately 4TB.
his tip does not apply to pst-files who are in the Outlook 97-2002 format (ANSI formatted pst-files).
Procedure for the Registry settings :
the maximum size of a pst-file has been set to 100GB with a warning at 95GB from the above settings.
his tip does not apply to pst-files who are in the Outlook 97-2002 format (ANSI formatted pst-files).
Procedure for the Registry settings :
You need to go to the following location in the Registry;
- Outlook 2003
HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\Outlook\PST
- Outlook 2007
HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\Outlook\PST
- Outlook 2010
HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Outlook\PST
Here you must create and set 2 new DWORD values (note that these values are case sensitive);
WarnLargeFileSize
Don’t set this higher than4090445042
(decimal) orf3cf3cf2
(hexadecimal)MaxLargeFileSize
Don’t set this higher than4294967295
(decimal) orffffffff
(hexadecimal)
The first value is how many MB a user can write to a pst-file. The second value is how many MB the system can write to a pst-file. This difference has to be at least 5% since there is more written to a pst-file than just user data.