How To Repair PST after ScanPST MSMAMP31.DLL Error

MS Outlook is a best email client application which is used widely for business as well as personal purposes. Outlook comes in various versions of MS Outlook with specific features. Most of the users tried to upgrade their older version of MS Outlook to get new and advanced features. But during upgrading process, it may possible that you go an error messages which states that “PST file is corrupted. Run Scanpst”. Once you get this error message you need to use Inbox Repair Tool to fix this error message. But by using this tool surprisingly you goth another error message such as “This application failed to start because mapi32.dll was not found. Re-installing the software may fix this problem.” At this point lots of user does not understand what is the meaning of Mapi32.dll error and why such error message is displayed.


Mapi32.dll is a Dynamic-Link Library file which is used by various email applications and can be written over if you have installed an email program in addition to Microsoft Outlook. mapi32.dll error happens when you upgrade Microsoft Outlook for example, from Outlook 2003 to Outlook 2007 or when moving from Outlook 2007 to Outlook 2003. This error may also happen if you uninstall and then reinstall Outlook 2007 on a System that previously had Outlook 2003. During the process of up gradation or installations, the mapi32.dll file will be not replaced and it causes incompatibility issues. Microsoft has recognized this type of issue for Outlook users and supplied a tool to fix together with the Windows operating system.

To fix the problem follow the instructions which are listed below:-

  • Click “Start”
  • Click “Computer” and go to the C drive.
  • Navigate to “Program Files”, then “Common Files”, then “System”, then “MSMAPI” and then the “1033” folder.
  • Right-click the file “Msmapi32.dll” and click “Rename”
  • Rename the file as “Msmapi32.old” It serves as a backup of the file

Now start Microsoft Outlook and looks for the “Msmapi32.dll” If Ms Outlook does not find the file then it repairs itself and recreates the file that’s compatible with the current Outlook version. By using this method you may not get such an error message but if you get after following instruction then you need to use an authorized recovery utility like PST Repair Tool.

How PST Repair Tool Helps to Repair Your File?

PST Repair Tool can help you to repair PST after ScanPST MSMAMP31.DLL Error. It scans files and fix in such a way that it cannot cause any damage for further. This recovery toll compromises with two powerful scanning modes like normal and smart scan that helps to recognize status of PST file corruption. It completely maintains data integrity of the email items in the repaired PST files. The best thing about this tool is that it comes with very simple interface and supports all version of MS Outlook. So you can use PST Repair Tool to repair PST after ScanPST MSMAMP31.DLL Error and other Outlook issues.

User Guide:-

Step 1:- Install the latest version of PST file. After installation select PST file.pst1

Step 2:- Find PST files to continue for the further processes.pst2

Step 3:- Check the preview of recoverable PST file.pst3

Step 4:- Click “OK” button to process for further step.pst4

Step 5:- At last, click on “OK” button to finish the repair processpst5


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