scan pst
Fix Outlook Mapi32.dll Error: Unable to Start Microsoft Outlook 2003

MS outlook is widely used email management tool that is being used by millions of people all across the world. The email client tool is used for sending mails as well as for storing personal information such as contacts, notes, calendars, tasks and other important valuable data in outlook in the PST format or Personal Storage Table. However, sometimes the Outlook users may experience Outlook Mapi32.dll error. It is a common error message which appears when outlook 2007 is uninstalled for the installation of Outlook 2003 again. Outlook users using Office 2007 as a trial version when generally get back to office 2003, experience this common error.

The error is mainly caused when the user tries to uninstall after installing MS Outlook 2007 on a PC that has previous version of outlook 2003 installed. The file Mapi32.dll is not completely removed from the PC and is present in the folder with the path C:\Program Files\Common Files\System\Msmapi\LocaleID. The common error messages that appear in such situation are mentioned below as:

  • "MAPI32.DLL is corrupt or the wrong version"
  • "Mapi32.dll file corrupt: Unable to start Microsoft Outlook"
  • “Cannot start Microsoft Office Outlook. MAPI32.DLL is corrupt or the wrong version. Please reinstall Outlook.”

These are some of the popular error messages that might pop up in case of outlook mapi.dll error. It may cause immense damage and integrity of the data stored in the PST files. Generally this error message appears due to corruption in the mapi32.dll file that causes outlook PST corruption but in some cases PST corruption with mapi32.dll error may also be caused due to following factors

  • Oversized PST files
  • Virus infection
  • Missing or deleted mapi32.dll file

Generally replacing the old and corrupted file with the new one will help in resolving this error issues. However, if the above error arises due to over sized PST files, you can use third party Outlook PST Repair Software as the inbox repair tool or scanpst.exe alternative fails to Fix Outlook mapi32.dll error and repair the corrupted PST files.

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..


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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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