§
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
§
Outlook
2013
Outlook 2016HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Outlook\PST
HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\PST
§
Don’t set this higher than
WarnLargeFileSize
Don’t set this higher than
4090445042
(decimal) or f3cf3cf2
(hexadecimal)
§
Don’t set this higher than
MaxLargeFileSize
Don’t set this higher than
4294967295
(decimal) or ffffffff
(hexadecimal)
The first value is how many MB a user can write to a pst-file before
receiving a warning that the file is full. 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.