How to Fix Corrupted Header in MS Outlook PST File?

Many users are using Microsoft Outlook these days as their email client to store personal or business related emails. Outlook stores relevant information such as inbox, Outbox, Sent Items, Deleted Items folder, Journals, Contacts, Calendar Items, RSS feeds and many more in a PST file format. However, sometimes you may lose access to your personal storage files. This can be due to logical damage to PST file header. It can occur due to number of reasons and as a result you won’t be able to access emails and other Outlook items from Outlook account.

Your computer might pop up error message after the corruption of PST file header as listed below:

  • Unable to display the folder, Outlook.pst could not be accessed, access denied
  • Outlook.pst is not a personal folders file

When you have come across such errors, it is necessary to know about the causes behind such errors. Below listed are some of them:

  • Sharing PST files Over Network: If you share a PST file on a common network then there may be a possibility of PST file header corruption due to simultaneous access
  • Malware/spyware Attack: The PST file header contains information such as the file size, file signature, compatibility, etc. If the header of the PST file gets infected by infectious viruses and malwares then it results in inaccessibility of PST files
  • Improper Exit of Outlook: If you interrupt and forcefully terminate Outlook while it is processing some task, then it can damage the header component of the PST file

However, Outlook comes with a tool known as Inbox Repair tool to fix issues in PST file. This tool can repair Microsoft Outlook PST file if its header is corrupted. However, if PST file is highly corrupted, then Inbox repair tool will likely damage the PST file during the repair process and leave you with just nonsensical error messages. When this happens, you can't access anything that is stored on the PST file or open your Outlook Inbox, read/view your emails or send/receive mails etc.

PST File Repair Software

When such dramatic situations occur - what are you supposed to do? Anyhow, what you need is a tool that will completely scan your corrupted PST file and repair it, without interfering with the source PST file. One such tool is Yodot PST Repair software, which is read-only software that will help you to extract and restore the entire information that got deleted or lost from Outlook PST file after header corruption. creates new PST file to store recovered emails, drafts, calendars, contacts, journal, notes, tasks etc. It performs intense scanning of the corrupted Outlook PST and displays recovered Outlook items on display screen, which helps you to verify the content.

Steps to repair header of PST file

  • Download Yodot Outlook PST Repair software from the website and install it to your desktop/laptop
  • Run the application and stick to the main screen procedures
  • Three options will be displayed on the main screen “Open PST file”, “Find PST File” and “Outlook Profile”
  • Click on “Open PST File” option to browse and open your oversized PST file
  • Press on “Find PST File” button to search and locate your PST file
  • Or select “Outlook Profile” option to select specific Outlook profile, if you have multiple Outlook accounts
  • Choose the appropriate scanning technique and browse for the destination location and click on “Repair” button
  • After finishing the repair process, the tool shows all deleted mails and other Outlook elements

Safety measures to prevent PST header corruption

  • Always have an anti-virus software installed in your system to find and delete harmful threats
  • Never close MS Outlook while it is performing any read or write operation
  • Never share your PST file on different computer networks