After certain steps like operating system upgrade, you may not start Microsoft Outlook 2000. Thus, the PST(Personal Storage Table) file data becomes inaccessible after upgrading to Microsoft Windows XP. Such situations make all your critical e-mails, notes, contacts, tasks and other personal data inaccessible and cause serious data loss. You need to carry out Outlook PST Repair to resolve such issues.After upgrading to Microsoft Windows XP, when you attempt to start Microsoft Outlook 2000, you might encounter any of the below given error messages:

“Cannot start Microsoft Outlook. A required component is missing: OMI9.DLL. Please install Microsoft Outlook again.”

Or

“Cannot start Microsoft Outlook. Mapi32.dll is corrupt or the wrong version. This could have been caused by installing other messaging software. Please reinstall Outlook.”

At this point of time, you need to find out cause of the problem and Repair PST file.

Root of the problem

You might face this behavior of Microsoft Outlook 2000, if any of the below mentioned conditions is true:

1.Microsoft Outlook 2000 is configured to work in the Compatibility Mode.
2.User profile of your Outlook account is corrupted.
3.The Outlook PST file is damaged.

If any of the above situations occur, you might encounter this problem and may face critical data loss situations.

Resolution

There are three possible solutions to resolve this issue. If the problem is due to Compatibility Mode of Outlook, then you need to follow the following steps:

1.Go to Drive Letter:\Program Files\Microsoft Office\Office10\ and right click on Outlook.pst file.
2.Select Properties and then select Compatibility tab. Click to clear Compatibility mode check box.
3.Clear all the check boxes which are selected under Display settings and click Apply and OK.
4.Restart Outlook.

If these steps don’t resolve the problem, then create a new profile. If the problem persists, then go for Outlook PST Repair software to repair and restore the damaged PST file.

These software use advanced scanning algorithms to thoroughly scan the whole PST file and extract all data from it. You can easily use these applications to Repair PST file without sound and prior technical skills as they come equipped with simple and interactive user interface.

Stellar Phoenix Outlook PST Repair is the finest tool to achieve complete Outlook PST Repair. It can repair PST files of Outlook 2007, 2003, XP (2002) and 2000. The software is compatible with Windows Vista, XP, 2003, 2000 and NT4 (SP6).