How to fix Outlook Data File cannot be accessed on Windows 11? Software & Applications

You may need to move the Outlook Outlook OST vs PST repair data file back down from OneDrive. Sometimes, rather than keeping a backup it actually takes the files off your system and moves them up to the cloud. To make sure this is not the case, try opening Outlook and see if it found the data file. Timothy Burlee is a content writer for Secure Data Recovery Services. He specializes in various topics in the data industry, including data recovery technology, storage devices, and digital forensics. Throughout his career, he has covered complex concepts and provided accessible solutions for users.

Open Outlook in safe mode and disable add-ins

Before joining Secure Data, he worked as a freelance technical writer. If you moved your data file or its location changed somehow, Outlook might not be able to find it. I am transferring all my files from a Windows 10 PC to a new Windows 11 PC and am having issues moving my Outlook .PST files for POP accounts.

• This is a good solution if you think your data file might be corrupted.
• In the end, you can preview your data, export the PST file, and open it in any other application like Thunderbird, Mail Spring, Mail Bird, and so on.
• If your email server supports both IMAP and POP3, auto account setup will create an IMAP account by default.
• Whenever Outlook cannot access an OST file, I usually disable any firewall or get rid of unwanted plugins.
• Before joining Secure Data, he worked as a freelance technical writer.
• To do this, you can take the assistance of Stellar OST to PST converter.

Part 2: Common Accessibility Errors with Outlook

This will display a list of the installed add-ins, letting you uninstall any plugin from Outlook. Just select any add-in of your choice and click on the "Remove" button to disable it. I tried using the repair process (SCANPST.EXE) which appeared to detect Office 365 sync problems and login fixes issues but also appeared to complete a successful repair, but the issue persists.

Repair Outlook Data Files (.pst and .ost)

A while back, when I was working on MS Outlook, I got an error about the accessibility issue of its OST file. Ideally, OST (Offline Storage Table) files are extremely important as they can help us access Outlook data without an active internet connection. Though, if Outlook cannot access the OST file or if it has been corrupted, then you can encounter unwanted problems. In this post, I will let you know what to do if the Outlook data file cannot be accessed on your system. You can create a new Outlook Data File and drag the items in the Lost and Found folder into the new data file. After you've moved all the items, you can remove the Recovered Personal Folders (.pst) file, including the Lost and Found folder.

Step 2 - Create a new Outlook profile

Simply launch the Stellar OST to PST Converter and load the corrupt OST file on it. Afterward, you can start the conversion process that would export all the data in a PST format without any complications. In the end, you can preview your data, export the PST file, and open it in any other application like Thunderbird, Mail Spring, Mail Bird, and so on. As it will list options to reset or repair MS Office, you can click on the "Repair" FixTechGuide mailbox repair steps option. This will open a new wizard that you can follow to perform a quick or online repairing of the installed Office applications. The issue I got caught on relates to the required steps in Outlook to switch files.





To create a new Outlook Data File, go to Create an Outlook Data File. You can use the Inbox Repair tool (SCANPST.EXE) to diagnose and repair errors in your Outlook data file. The Inbox Repair tool checks the Outlook data files on your computer to see if they're in good shape. Sometimes, data files get corrupted in a way that none of the methods above can help. This might happen due to a power failure or improper shutdown, hardware issues, or viruses and malware.

Error 0x8004010F when you try to send or receive email in Outlook 2010 or Outlook 2013

How your data is synched also depends on the type of account you have. POP accounts store information directly on your computer in Outlook .pst files. On the other hand, accounts through Office 365, Exchange Server, Outlook.com, and IMAP store information offline in Outlook data files (.ost files). It never feels great to run into an error message, especially if you’re in the middle of an important task.