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 issues but also appeared to complete a successful repair, but the issue persists. Afterward, you can try to relaunch the Outlook application and access the saved OST file without any trouble. If this diagnostic step works and fixes the error, disabling your add-ins should help prevent it from happening again. If you think a third-party add-in might be causing the error, try starting Outlook in Safe mode without any add-ins or extensions loaded to see if it works. Creating new Outlook profile or rebooting the computer fixes the issue.

Step 6: Repair the Corrupted Outlook Data File (PST)

I tried to manually access the OST file location and I could read the file just fine. Before you change any settings or troubleshoot further, use these steps to check your connectivity and settings, and try restarting Outlook and your computer. When you want to replicate a copy on the cloud, manually copy the PST in the OneDrive folder. This will result in one copy in the folder in OneDrive being used for backup purposes, and another copy in your Outlook client that can be kept open by Outlook.



On the righthand side of the window, choose the button to \"manage backup\". In that window, ensure the \"Documents\" folder is not enabled to sync to OneDrive. Then, in the next window, make sure resolve Outlook not sending emails fast you're on the tab marked "Sync and backup". On the righthand side of the window, choose the button to "manage backup". In that window, ensure the "Documents" folder is not enabled to sync to OneDrive.

• After getting the Properties window, just go to the "Compatibility" tab and make sure the "Run this program in Compatibility Mode" option is disabled.
• How your data is synched also depends on the type of account you have.
• If you think a third-party add-in might be causing the error, try starting Outlook in Safe mode without any add-ins or extensions loaded to see if it works.
• You can directly go to its location or look for it from the search option on the taskbar.
• There may be items in the backup file that you might be able to recover that the Inbox Repair tool couldn't.
• Sometimes, data files get corrupted in a way that none of the methods above can help.
• It is also important to have a look at some of the common accessibility issues encountered in Outlook and avoid this problem from happening again.
• So you'll want to make sure OneDrive is not syncing that folder.
• You can repair the corrupted PST file using the built-in Inbox Repair tool (also known as SCANPST) in Outlook.
• Before you change any settings or troubleshoot further, use these steps to check your connectivity and settings, and try restarting Outlook and your computer.

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. If you’re experiencing the "Outlook data file cannot be accessed" error and can’t find the fix, SecureData has you covered.

Fixing 'Outlook Data File Cannot Be Accessed' Error on PC

It is not possible for Outlook and OneDrive to both try to access the data file at the same time. By default, the Outlook data file resides in your local user's \"Documents\" folder. So you'll want to make sure OneDrive is not syncing that folder. By default, the Outlook data file resides in your local user's "Documents" folder.

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

You can directly go to its location or look for it from the search option on the taskbar. Let’s learn how to fix the Outlook data file that cannot be accessed by implementing the following solutions. Then, in the next window, make sure you're on the tab marked \"Sync and backup\".

Step 1 - Locate the default Outlook data file

Sadly, if the mode has been enabled, then it can cause issues with the accessibility of the saved OST file. If you can open the original Outlook Data File, you might be able to recover additional items. The Inbox Repair tool creates a backup file with the same name as the original, but with a .bak extension, and saves it in the same folder. There may be items in the backup file that you might be able to recover that the Inbox Repair tool couldn't. Therefore, if you cannot access an Office 365 sync problems and login fixes OST file in Outlook, then you can browse to the location of the Outlook.exe file.



After you've moved work offline mode stuck all the items, you can remove the Recovered Personal Folders (.pst) file, including the Lost and Found folder. 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.



To do this, you can take the assistance of Stellar OST to PST converter. Now, in the Outlook Options window, just go to the "Manage" section, and select "COM Add-in" from the list. This will display a list of the installed add-ins, letting you uninstall any plugin from Outlook.