Jul 05, 2021 • Filed to: Recover & Repair Emails • Proven solutions

Overview of PST File

Microsoft provides a free Office 365 troubleshooting tool that can resolve most of the common problems related to Office 365 applications. However, it might not be helpful in addressing all the issues associated with Office 365 applications, but common issues like Outlook or any other app not working properly can be fixed easily. We carefully review these submissions and use this information to help prioritize new ways that the Support and Recovery Assistant can help find and fix issues. For more information about the tool, please visit Fix Outlook account problems in Office 365 and watch the video and see some sample images from the app. Make sure that there are no Office processes running in Task Manager, especially Click-to-Run (if so right click End Task), then go to your MS account and install Office 365 from there. You should probably try this fix first and if it does not work then try the others while still keeping office.com in the Trusted sites. Running to Office 365 FIXIT tool would not remove the Office 2010 installation from your computer. It just means that it will completely uninstall the Office 365 installation from your computer. To be sure that you are using the right Office 365 FIXIT tool, install and run the FIXIT from the following Microsoft Link.

Repair Office 365 Using Command Prompt: To Repair office 365 using the command line, first, you need to find the OfficeClickToRun.exe file. OfficeClickToRun.exe file is a software component of Microsoft office 365 by Microsoft Corporation. It is a windows service associated with office 365 online subscriptions.

An Outlook PST file is a Personal Folder File that is responsible for storing the email messages and items such as journals, notes, tasks, calendars, contacts, and other attachments on your system. It is the preferred file format used by MS Outlook. Any email message that you send or receive using MS Outlook is stored on your PC in the form of an Outlook PST file.

Causes for PST Files corruption are:

PST files are prone to errors and corruption just like Excel and Word files. If you see an error message is displayed on your screen when you try to open a PST file then there is a chance that it might have corrupted. Now, there can be many reasons for this. The following are some of them that are most likely to cause corruption of PST files.

• Bad Sectors on Hard Disk

Local hard disks on PCs have a habit of developing bad sectors. Outlook PST files that get stored on them can easily become corrupted or damaged. When this happens, it becomes impossible for you to access or open your PST files.

• Network Issues

Outlook PST files are sometimes stored on network servers as well. If your PST file is on one of these servers and the network encounters an issue then there is also a chance that your PST file will become inaccessible to you. Moreover, if the network server breaks down or any of its components fails then the PST file might even get corrupted as well.

• Unexpected Power Failure

Another instance when the chances of PST file corruption become significantly increased is an unexpected power failure. In this scenario, any PST file being accessed at the time of the sudden power loss can get damaged quite easily.

• Malicious Software

The presence of malicious software on your PC is not a healthy sign. These viruses can hurt you a lot and corrupt valuable files stored on your system. They can also infect and corrupt PST files too.

• Abnormal Shutdown of Outlook

Shutting down MS Outlook without saving your PST files properly is also something that can corrupt them too. This usually happens when MS Outlook encounters a problem and you have to shut it down using the Task Manager.

If your PST file has indeed been corrupted then you will have to repair the corrupt PST files to recover the valuable data that is stored in them. Repairing of the corrupt or damaged PST file might not be possible without using a good PST repair tool. However, just using a repair tool is not enough as it won’t be able to repair corrupt PST files in a safe and secure manner. You will have to make use of the best PST repair tool for this purpose.

Part 1: The Best Free PST Repair Tool for MS Outlook

When PST files get corrupted or damaged they need to be repaired as soon as possible or the data present in them might get lost forever. There are no authentic means of recovering data from corrupted PST files except using a PST repair tool. You can find a great number of PST repair tools on the internet. Most of them are useless, however, and fail to repair corrupt PST file. There are some that can do this job effectively, though but they too are available for a premium price. The best PST repair tool for MS Outlook that is available for free is the Stellar Phoenix Outlook PST Repair.

• Recovers all mailbox components within the files such as emails, attachments, contacts, calendar items, journals, notes, etc.
• Recovers Accidentally Deleted Emails that were purged by mistake or lost due to unplanned system formatting
• Allows saving recovered mails in EML, MSG, RTF, HTML, and PDF formats
• Supports repair of encrypted & password protected PST files
• Enables you to arrange scanned emails using various criteria such as 'Date', ‘From’, 'To’, 'Subject', 'Type', 'Attachment', and 'Importance'
• Repairs corrupt Outlook file created in MS Outlook 2016, 2013, 2010, 2007, 2003, 2002 (XP), & 2000 and MS Office 2016, 2013, 2010 (64-bit version), 2007 & 2003;Supports Windows 10, 8, 7, Vista.

Part 2: How to Repair Corrupt PST File In Outlook

Here is a guide that is going to help you in learning how to repair corrupt PST file using the Stellar Phoenix Outlook PST Repair.

Office 365 Repair Tools

Step 1 Launch Outlook PST Repair on your PC computer, click 'Select Outlook File' to search corrupt Outlook PST file from the local drive;

Office 365 Pst Repair Tool

Step 2 To find out PST file from a specific drive and select file types;

Step 3 All corrupt Outlook PST files will display in the result section, select the PST file start to repairing process;

Step 4 Click the 'Scan Now' button, The time to complete the job depends on the size of PST; all the repaired PST file items will be shown in the left side, preview it before saving;

Step 5 Select a path which you preferred, it can be saved as different formats.

Simple Tips to Prevent PST File Corruption in Outlook

The following are some tips that are going to help you in ensuring that your Outlook PST files don’t get corrupted so often and remain accessible to you at all times.

• The importance of having a good antivirus software program installed on your system can’t be overstated. It will help you in protecting your PC from viruses that can corrupt your PST files.
• Always ensure that you save your PST files appropriately before closing MS Outlook. This will make sure that your PST files don’t get corrupted because of abnormal Outlook shutdown.
• Be careful about the health of your local hard disks and constantly check them for bad sectors. Try to ensure that none of your PST files get stored on them.

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