How to Increase Storage Capacity of PST in Outlook 2003/2007

Increase storage Capacity of PST in Outlook 2003/2007

 

Enter into Regedit:

 

 

After open regedit, You have to create subkey named PST under the below mentioned path.

HKEY_CURRENT_USERSoftwareMicrosoftOffice11.0Outlook

 

 

Enter storage capacity value:

Here you must create and set 2 new DWORD values (note that these values are case senstive);

• WarnLargeFileSize

• MaxLargeFileSize

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Put value in DWORD.

 

 

 

Don’t set this higher than 4090445042 (decimal)

 

 

 Don’t set this higher than 4294967295 (decimal)

 

 

 

 

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.

For Outlook 2007 follow the same procedure as mentioned above under the following path.

 

Outlook 2007: HKEY_CURRENT_USERSoftwareMicrosoftOffice12.0Outlook

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