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 mailbox not updating on IMAP 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 Exchange connectivity diagnostic 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 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 successfully moved my Outlook PST files onto my new computer.
• Before joining Secure Data, he worked as a freelance technical writer.
• 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

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)

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 Troubleshoot Office 365 Sync and Login Issues to the cloud and includes the Outlook Files folder where the file is located.