“How to compact the PST files that have reached 2 GB storage limit”

PST files are created with MS outlook and stored in the local window server. The PST file size in earlier outlook versions was restricted to 2 GB only. Whenever PST files of outlook 2002 or earlier versions touches 2 GB size, it become inaccessible. The inaccessibility issue of PST files due to 2 GB size restriction has been significantly reduced in outlook 2003 and 2007 versions.

PST file created with outlook 2003 or 2007 version can store data up to 20 GB size. The PST file size has been further enhanced up to 50 GB in MS outlook 2010. If you are using outlook 95, 97 or 2002 version and unable to open your mailbox due to oversized PST file issue, then do following steps:

Go to window start menu/ programs/Microsoft office
Click on MS outlook program while pressing ctrl key simultaneously
Your outlook mailbox will run in safe mode
Click on help menu and press “Check for updates” button
You will be redirected to live update site of Microsoft
Choose the version such as outlook 2003, 2007 or 2010
Your older outlook version will be upgraded

New outlook versions save PST files in Unicode character. Therefore, you should make backup of your all outlook PST files in place different from the default location. To avoid probable data loss due to upgrading of your outlook mailbox, do the following step:

Reopen your outlook mailbox after upgrade
Click on file menu and “import and export” button
Select “import from another program or file” option
Select the pst files of your old outlook account from backup folder and press next
It will import all emails of your old outlook account in Unicode character

You can also use inbuilt PST compact tool to reduce the size of your oversized PST files. MS outlook has also inbox repair tool called scanpst.exe that resolves the oversize, hardware conflict and data integrity issues of the PST files. You can find the scanpst.exe from the search box of window start menu.
Severe cyclical redundancy check, compatibility and data overflow issues of PST file cannot be fixed with inbuilt scanpst utility. You will have to run window based email recovery software to get back all data from the badly damaged PST files.

Outlook inbox repair tool is capable to repair both partly and highly corrupted PST files in flawless manner. The software extracts email folders like inbox, drafts, notes, contacts, calendars, junk email, deleted items and sent items from the damaged PST file and saves in different file formats such as .PST, .EML, .DBX or .MSG. You can access your repaired mailbox either with MS outlook or outlook express. Outlook inbox repair tool supports different versions of MS outlook and outlook express. You can see the preview of all recovered items with demo version of the utility. The selected emails from preview list can be saved only with licensed version of outlook inbox repair utility.