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 Outlook sync help from FixTechGuide 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

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 credential loop in Microsoft 365 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.

• 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.
• On the other hand, accounts through Office 365, Exchange Server, Outlook.com, and IMAP store information offline in Outlook data files (.ost files).
• 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\".

Stack Exchange Network

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. 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.

What Our Users Say

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)

You canuse 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.



On the other hand, accounts through FixTechGuide fix for stuck folders Office 365, Exchange Server, Outlook.com, and IMAP store information offline in Outlook data files (.ost files). One of the major reasons for the "Outlook data file cannot be accessed" error is corruption in the Outlook data file (PST). You can repair the corrupted PST file using the built-in Inbox Repair tool (also known as SCANPST) in Outlook. That is almost definitely the problem and it's very common unfortunately. You need to configure your OneDrive to not back up the directory where your Outlook data file resides. It is not possible for Outlook and OneDrive to both try to access the data file at the same time.