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What are the Reasons for PST File Corruption – A Preventive Guide

Aldrich Calvin | Modified: 2022-02-03T13:11:18+00:00|Outlook | 5 Minutes Reading

Want to know about the reasons for PST file corruption? Because you want to protect your Outlook data from any damage and corruption. Then you are landed on the right page, here we are going to discuss all the major reasons that are responsible for PST file corruption.

Furthermore, PST or personal storage table file is very important and essential part of MS Outlook. It is important because it contains all the data emails, contacts, calendar entries, tasks, journals, notes. So in simple language, it contains the whole MS Outlook mailbox data.

Hence, after knowing what is PST file and its importance, it is very necessary to prevent it from any corruption. So if want that your PST file is safe always, then keep reading this blog to know all the reasons and who to protect it.

So, let’s dig deeper into the blog!

Major Reasons for PST File Corruption

Well, we know that data corruption and frustration are just interlinked with each other. Because when the data is corrupted, then it is very hard to retrieve. So it is better to stop the PST file corruption performing some basic steps. Hence in this section, we are going to discuss some of them so check below to know.

1. Exceed the Mailbox Size Limit

As we know Outlook gives us 50 GB of data storage in Outlook 2010, 2013, 2016, and 2019. If you are using the earlier version then you have 10 GB data storage. So it is very important that don’t exceed the mailbox size limit because if the file size crosses the limit you will probably encounter the PST corruption issue.

Moreover, duplicates are one of the reasons for the oversized data file, and the reasons for PST file corruption that helps to exceed the mailbox size limit are duplicate Outlook items. So it is very important to delete all the duplicate emails, contacts, calendars, notes, journals from Outlook mailbox.
A consequence of Duplicate Items in Outlook

  • It directly hit the performance of the Outlook program and slow down the most operation.
  • Duplicate items increase file size and prone to corruption.
  • Duplicates affect your workflow.

You can use the Microsoft cleanup utility if you have a less number of duplicate items saved in your mailbox. Moreover, if you have a large number of duplicate mailbox data then you can try an automated solution to delete it.

SysTools Outlook Duplicate Remover is a tool kit that is designed to delete all the duplicates from Outlook PST, OST, and BAK files. This tool will work on all versions of Outlook and delete multiple duplicates items in just a few clicks. So want to protect PST file form corruption then first delete all duplicates from Outlook. Click on the download button to try the demo version.

Also Read: Major Causes of Duplicate Emails in Outlook

2. Improper Shut Down of the System

When you are working on the Outlook program, then do not shut down the computer forcefully without closing the application because it one major reasons for PST file corruption. A force full shutdown will harm the PST file and that particular time there is a greater chance of file corruption.

So, always check is the Outlook program is running or not before shutting download your computer. The best way to check is to open the Task Manager and check the Outlook.exe file is running or not. If it is not running then you can shut down your computer and if it is running then first close the Outlook program then you can shut down your computer.

3. Backup PST File at Regular Intervals

Backup is always a good option to protect your data. Because if your PST file gets corrupt due to any reason, then through the backup file you can easily restore your data. So it very important to create a backup if your Outlook PST on a regular time interval. So you can restore your data from any data damage scenario.

4. A Large Email Volume

Microsoft Outlook does not support and create a deadlock operation with large email volumes. While working with a large email volume users is forced to shut down and we know that how to program forcefully than its lead to PST corruption. Always avoid this type of situation and work less 10000 emails at a time.

Important note
After taking all the prevention stop Outlook PST corruption, if the PST file gets corrupted due to any reasons. So in that troublesome situation you can use the outlook default utility called Scanpst.exe. Or if you want an automated solution then you try SysTools Outlook PST Repair Software. This tool easily repairs encrypted and corrupted Outlook PST files.

Download Tool Purchase Now


Spending a little time daily to review your Outlook can stop the PST corruption. Moreover if want to know all the reasons for PST file Corruption, and protect it, then go through the above-discussed article.