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 credential loop in Microsoft 365 be accessed" error and can’t find the fix, SecureData has you covered. Our Outlook Express file repair software is designed to help you repair your files and recover your data, so you don’t lose access to anything you need. 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.

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. reset cached Exchange mode Sometimes, rather than keeping a backup it actually takes the files off your system and moves them up to the cloud.

• So you'll want to make sure OneDrive is not syncing that folder.
• 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.
• The Lost and Found folder contains any folders and items recovered by the repair tool that Outlook can't place in their original structure.
• Sometimes, rather than keeping a backup it actually takes the files off your system and moves them up to the cloud.
• Then, in the next window, make sure you're on the tab marked \"Sync and backup\".
• This might happen due to a power failure or improper shutdown, hardware issues, or viruses and malware.

Stack Exchange Network

Read on to know the likely causes behind the 0x F error in Outlook and the solutions to fix it. When you restart Outlook, all the temporary files are removed and related processes and services are automatically cleared. Sometimes, this will help fix minor issues that might be responsible for the error. 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.

What Our Users Say

If repairing the file doesn’t solve the issue, you can try creating a new Outlook profile and adding your existing file to it. This could help if you’re dealing with configuration issues but the file itself is okay. I successfully moved my Outlook PST files onto my new computer. The issue I got caught on relates to the required steps in Outlook to switch files. 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.

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 Create an Outlook Data File. If your email server supports both IMAP and POP3, auto account setup will create an IMAP account by default. You will need to follow the manual steps in order to create a POP3 account.



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 solve Office 365 mailbox sync delays to the cloud and includes the Outlook Files folder where the file is located.