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2 Ways Repair Corrupted Outlook Data File(.PST)

If you find the email can’t sync with, what's Outlook program is crashed, it doesn't work after restarting Outlook. Don’t worry! This may indicate that Outlook data files (.pst) are damaged, generally, corruption of PST file makes Outlook users inaccessible to its items such as e-mail, contacts, notes, calendar etc.

There are two solutions to repair .pst file corruption problems.

How to Use Inbox Repair Tool to Fix .PST Corruption Problem

If you meet the corruption event, you can use the Inbox Repair Tool (Scanpst.exe). It is a built-in feature of Microsoft Outlook and is mainly used to fix minor PST corruption issues.

Step 1: Exit Outlook, then locate to the drive: \Program Files\Microsoft Office\OFFICE15 folder. To find Scanps.exe, and then double-click on it.

search for scanpst exe

Tips: If you don't use outlook 2013, refer to the following information:

For Outlook 2016: \Program Files\Microsoft Office\OFFICE16 folder.

For Outlook 2010: \Program Files\Microsoft Office\OFFICE14 folder.

For Outlook 2007: \Program Files\Microsoft Office\OFFICE12 folder.

Step 2: Enter the name of the .pst or .ost file that you want to check, or click Browse to select the file. To specify the scan log options, click Options, and then click the option that you want, click Start.

use scanpst to diagnose errors pst file

Step 3: If errors are detected, you are prompted to start the repair process to fix the errors. You can press the Detail button for more information about the type of corruption before clicking Repair.

repair error pst file

Tips: A backup file is created during the repair process.

Step 4: If everything goes correctly, you’ll get the Repair complete dialog. You can close it by clicking OK.

repair complete

Now, you can run Outlook program. If the repair process fails, try running it again. If it fails repeatedly, but you can still access the file in Outlook, you can refer to Way 2.

Work Around Corrupted .PST File by using the Backup File

If the inbuilt Scanpst.exe tool is not successful in repairing serious PST file corruptions, you may have problems with an offline Outlook data file (.ost) that can be re-created by downloading a copy of your items again. Re-create one, follow steps below:

Step 1: Open Control Panel. Type mail in the search box and then click Mail (Microsoft Outlook 2013).


Step 2: In Mail Setup dialog, Click the Data Files tab, select the Exchange account, and then click Open File Location.

setup email account

Step 3: In the file explorer window, right-click the Exchange data file and then click Delete.

The next time you start Outlook, a new .ost file is created for the account.

delete exchange data file

Step 4: Then return to Account Settings. click Add to open the backup pst file.

open outlook data backup file

Step 5: Select it, and then Set as Default, and then click Close, restart Outlook program.

set as default

You can use your Outlook normally.

Tips to avoid the Outlook PST Corruption you can do like this:

Tip 1: Exit Outlook properly.

Tip 2: Check the size of PST file.

Tip 3: Protect PST file against virus attacks.

Tip 4: Save your PST files on a secure drive other than your network drive, and back up your PST files regularly.

Be always prepared against unforeseen accident. Keep backups regularly, and organize .pst folder is very essential if you want to keep your email communication uninterrupted.