scan pst
Scanpst Fails to Resolve PST 2GB Oversized Issue

MS Outlook 2003 (with POP3 and HTTP accounts only), 2002 and its previous versions do have some PST issues because of 2GB file size limitation. Whenever the PST file of these Outlook versions crosses the 2GB limitation, it becomes more susceptible to corruption. This problem of PST file is due to the ANSI file format that these Outlook versions PST use. Microsoft has provided an inbuilt utility to rectify this problem which is called Scanpst.exe tool. But this tool works only when the PST’s size is below 2GB. For these truncation of PST file can be done but it can delete critical mails, so this procedure should be avoided.

To understand this problem clearly, let’s analyze a realistic problem of oversized PST which also has corrupted due to 2GB PST problem. Suppose a PST file is over 2GB of size and contains some information’s that you can not afford to loose. Thus in order to resolve the problem you have used Scanpst tool but didn’t succeeded in repairing the oversized PST file. You have observed some of the things while trying to repair oversized 2GB PST file like –

  • Scanpst tool exits without notifying any thing.
  • And when you clicked the ‘Repair’ button after specifying the PST file path the scanpst fatal error 80040900 has occurred.

After the "Fatal Error: 80040900" error message the Scanpst is unable to repair the corrupted PST file.

So, in order to resolve this issue and to repair the ANSI PST 2GB file below mentioned solutions will help you out –

  • Try to lower the size of the PST file by removing unwanted and useless items from the PST file or use PST 2GB truncation utility, but before that backup PST file as during truncation important mails are likely to get deleted. Then use Scanpst tool to make the things right.
  • Use any third party PST Repair tool and then restore the corrupted PST file. As this tool is special tool for repairing PST file, it effectively repairs the fatal error 80040900 and fixes PST corruption irrespective of the root of damage.

So, if you encounter any problem related to the PST corruption or oversized issue then use the above mentioned steps and resolve the issue in seconds.

Scanpst.exe failed? Try Outlook PST Repair

Install the software with quick installation wizard. Just follow the 4 simple steps to successfully install the Outlook PST Repair.

Step 1
Launch the Outlook PST Repair from the desktop shortcut. And select the corrupted PST file.


Step 2
Click Next and follow the on-screen instruction to finish it. No need to Worry! Your Outlook.pst is in Hand of Professional.

Outlook PST Repair has very advance scanning alogorith as compared to the Scanpst.exe. You will see the difference in result, once the scanning is over.


Step 3
Once Scanning process is completed, Outlook PST repair will show the previews of all the recoverable components.

Step 4
After viewing the lost folder in the recovered item list. Go for the Licence key to save the pst file..


Repair your corrupted PST File Now
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scan pst

Yes, it runs faster than the scanpst.exe and completely recovered all my lost emails & Tasks saved in my Ouloook. One Word - Use Outlook PST Repair instead of Scanpst.exe

Simsoe Yank

I really wanna say "Thank you", coz Outlook PST repair for restoring all my lost emails back. Keep up the Good Work!

Hemlon Gter

I tried SCANPST.exe a Inbox Repair Tool, and got nothing. But Outlook PST repair recovered all my emails back.



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