As your Microsoft outlook becomes older and you save more and more documents on it, the size of Outlook PST file also increases and the chances of its corruption is also raises. Slowly the outlook PST will stop responding while typical operations when PST grows bigger. In the Outlook 2003 the new data structure has been introduced to reduce the impact of large .pst file. As experts suggest that if you want to solve this problem then can split large PST files into small pst files.
An error message that people generally see while using Microsoft outlook is:
“The messaging interface has returned an unknown error. If the problem persists, start Outlook again.”
The reason of the problem occur due to the large PST file size and if the PST file crosses its built in limit then your PST file may be corrupted and you can loose all the data that it contains.
Solution
You can try these steps to solve this problem:
- In Microsoft Outlook there is a feature named “Allow Upgrade to large tables” that you can use to increase the limit enforced on number of messages contained in a folder and number of folders contained in a PST file
- You can reduce the file size of PST by emptying the deleted items folder
- Make a new PST file and import messages from original PST
- Use the File Splitter utility to split large files like Split 4GB PST File
Tags: Outlook PST Repair, split 4gb pst file, split pst files