Want to Increase PST Size Limit from 2GB to 20 GB?
Are you using an MS Outlook user, using older version of Outlook for a long period of time? It is important to note that older versions store email data in ANSI PST format whereas newer versions stores email data in Unicode format. In newer Outlook versions (2003 and 2007), the PST file size limit is 20 GB which is in the Unicode PST format. Older Outlook versions have 2 GB file size limit in Outlook versions (2000 and 2002) in ANSI PST format, which you may be using. Now to increase Outlook mailbox size from 2 GB to 20 GB i.e. from ANSI to UNICODE, you need to upgrade Outlook PST file from Outlook ANSI to Unicode.
In order to upgrade PST, you need to perform PST file conversion process from ANSI to Unicode and you can easily convert PST file from 2000/2002 to 2003/2007 version. Follow few methods for this conversion of PST file, which will increase Outlook mailbox size from 2 GB to 20 GB.
Methods to Upgrade PST File
- Outlook In-built Feature to Upgrade PST: This feature is not suggested to upgrade PST file from older version to newer version as this method is extremely time-consuming and tiring. Even computer experts cannot perform this process well so it is not a recommend method to upgrade PST.
- Commercial Help: Commercial help in the form of third-party tool to upgrade PST file from Outlook ANSI to Unicode is recommended. Conversion through such software is preferable as it will increase PST File size limit from 2 GB to 20 GB quickly.

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