Tips to Fix Inbox Repair Tool Error – An unexpected error prevented access to this file

The Inbox Repair Tool is the Microsoft provided utility designed to repair corrupted Microsoft Outlook PST files. The tool is located in a typical location, which is determined by the Outlook version used. In Outlook 2007, this disk drive is – Program Files-Microsoft Office – Office12. But the application comes with limited repair functions and therefore sometimes fails in situations where the degree of PST corruption is high. Such issues necessitate that you use a third party PST file repair tool that can work more powerfully than this Microsoft tool.

The tool is associated with a program file called ‘Scanpst.exe’. So, to run the utility, you have to find this file first. Sometimes when you try to run an Outlook 2007 PST repair tool to fix corrupted PST, it may fail with the following error on the screen:

“An unexpected error prevented access to this file. Use ScanDisk to check the disk for errors, then try using the Inbox Repair utility again.”

The error suggests that Scanpst could not be opened for some reason.


Scanpst may not open due to disk errors or related issues. It can also happen if PST is severely damaged and the repair is beyond the capabilities of the Scanpst tool.


To fix the problem described, you need to apply these solutions:

A) Run chkdsk to diagnose and fix disk related issues. Try to run the tool again.

B) If this doesn’t help, then you need to recover PST data as follows:

(i) If you can open the PST, create a new data file with Outlook and import all data into it

(ii) If you cannot open the PST then restore from backup or use third party PST repair tool

The third-party Outlook inbox products are backed by suitable scanning algorithms which can fix corrupted or damaged Outlook inbox easily and efficiently. The software is easy to install and can even be operated without prior knowledge. These are commercial Inbox Repair Tool with interactive design and competence to operate while dealing with any level of damage.

Outlook Inbox Repair is a reliable and recommended tool to fix damaged PST. The software recovers the data in a new Outlook importable PST. The Inbox Repair Tool supports MS Outlook 2007, 2003, 2002 and 2000. The software has a 3-pane display with direct buttons to view e-mails, calendar etc., similar to Outlook.