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

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\". In that window, ensure the \"Documents\" folder is not enabled to sync to OneDrive. You may need to move the Outlook data file back down from OneDrive. send/receive error 0x800CCC0E fix Sometimes, rather than keeping a backup it actually takes the files off your system and moves them up to the cloud.

• 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.
• Creating new Outlook profile or rebooting the computer fixes the issue.
• I successfully moved my Outlook PST files onto my new computer.
• From single external hard drives, SSD’s, mobile devices to enterprise NAS, SAN, and RAID failures, we are ready to help recover from digital disasters, anywhere.
• It even comes with features like auto-split to split large PST files and export the PST contents directly to Microsoft 365.
• Before joining Secure Data, he worked as a freelance technical writer.
• When you want to replicate a copy on the cloud, manually copy the PST in the OneDrive folder.
• Then, in the next window, make sure you're on the tab marked "Sync and backup".

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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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During the syncing process, OneDrive locks the file, which prevents Outlook from accessing it, resulting in the "Outlook data file cannot be opened" error. You can try to repair Outlook data files to fix the error. This is a good solution if you think your data file might be corrupted. MS Outlook stores all the information related to your email account both online and in a local file on your computer.

Repair Outlook Data Files (.pst and .ost)

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. It can recover all the mailbox items from 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.



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. This could happen if, for example, OneDrive backs up your Documents folder repair corrupted OST in Outlook to the cloud and includes the Outlook Files folder where the file is located.