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However, if your email server supports ONLY a POP3, auto account setup will create a POP3 account. More often than not, it’s caused by either a corrupted Outlook profile or a change in the data file’s location. And though an error Exchange connectivity diagnostic message might look worrying, you may be able to fix the problem.
Fixing 'Outlook Data File Cannot Be Accessed' Error on PC
That way, you can access previously downloaded or synchronized messages, as well as calendar information, contacts, and tasks even when you’re offline. In this step-by-step guide, you’ll find practical methods to resolve the error and recover your Office 365 sync problems and login fixes data, whether you’re dealing with a corrupted file or a disconnected profile. The error message indicates corruption in the Outlook data (PST) file. However, the error may also occur due to various other reasons.
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.You can check the location of your Outlook Data Files in Outlook.The Lost and Found folder contains any folders and items recovered by the repair tool that Outlook can't place in their original structure.Then, in the next window, make sure you're on the tab marked "Sync and backup".You need to configure your OneDrive to not back up the directory where your Outlook data file resides.
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To make sure this is not the case, try opening Outlook and see if it found the data file. Then, in the next window, make sure you're on the tab marked "Sync and backup". On the righthand side of the window, choose the button to "manage backup".
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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. I tried to manually access the OST file location and I could read the file just fine. If this diagnostic step works and fixes the error, disabling your add-ins should help prevent it from happening again. Creating new Outlook profile or rebooting the computer fixes the issue. Find solutions to common problems or get help from a support agent. You can check the location of your Outlook Data Files in Outlook.
Repair Outlook Data Files (.pst and .ost)
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 you've moved 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