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 diagnose Office activation conflicts 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.

• 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.
• 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.
• 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\".



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 FixTechGuide mailbox repair steps 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. Before joining Secure Data, he worked as a freelance technical writer.



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. It can recover all the mailbox items from guide to Office 365 sign-in errors the corrupted file and save them to a new PST file, which you can import into your Outlook profile. It can also allow saving the recovered PST data to other file formats, like MSG, EML, HTML, RTF, and PDF. It even comes with features like auto-split to split large PST files and export the PST contents directly to Microsoft 365. You can create a new Outlook Data File and drag the items in the Lost and Found folder into the new data file.



After getting the Properties window, just go to the "Compatibility" tab and make sure the "Run this program in Compatibility Mode" option is disabled. You may need to move the Outlook 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.