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" 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. 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. Lastly, if you cannot access an OST file in Outlook, then you can try to export it to any other application instead.

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 Fix Outlook and Office365 Sync Issues 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.

• At times, the Outlook data file cannot be accessed issue is caused by syncing errors between Exchange and Outlook.
• Just like other installed applications in Windows, Outlook also supports a compatibility mode.
• In this post, I will let you know what to do if the Outlook data file cannot be accessed on your system.
• You will need to follow the manual steps in order to create a POP3 account.
• You need to configure your OneDrive to not back up the directory where your Outlook data file resides.

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

In the Folder Pane, you might see a folder named Recovered Personal Folders that contains your default Outlook folders or a Lost and Found folder. Although the repair process might recreate some of the folders, they may be empty. The Lost and Found folder contains any folders and items recovered by the repair tool that Outlook can't place in their original structure. I’m sure that after reading this post, you would be able to resolve the Outlook data file cannot be accessed issue. Whenever Outlook cannot access an OST file, I usually disable any firewall or get rid of unwanted plugins. Besides that, if you also cannot access OST files in Outlook, then you can try to repair it or simply convert it to a PST format.

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 guide to Office 365 sign-in errors OST file in Outlook, then you can browse to the location of the Outlook.exe file.



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 clear Outlook credentials manager 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.