Now, open your Outlook again and start enabling add-ins one at a time.
Go to the Add-ins section and disable all Add-ins.
In Outlook, click on the File tab and select the Options.
Therefore, you need to disable add-ins that are stopping Outlook to import the PST file successfully. If opening Outlook in safe mode is unable to fix the PST file cannot be accessed error, then the problem might be related to the incompatible add-ins.
In the Open box, type Outlook.exe /safe and click OK.
Right-click on the Windows Start button located at the bottom left corner of the screen.
This way you can resolve any Microsoft Outlook error caused due to the conflict between Outlook and other applications installed on your Windows. Whenever you encounter the PST file cannot be opened error, then open Outlook in the Safe mode. Methods to fix PST file cannot be accessed in Outlook 1. Note : Check out this article if you are interested to learn how to open or import PST file in Outlook using the reliable technique.
Using an improper method to import a PST file.
Outlook is conflicting with incompatible Add-ins.
PST file is already in use i.e., running in the background.
Microsoft Outlook application is crashed.
Windows hard drive is malware-infected or crashed.
Interruptions like sudden computer shutdown.
PST file has crossed the maximum limit.
PST file is corrupt, damaged, or lost.
Before you make use of any of the proven hacks to fix this issue, let’s first understand why Outlook fails to open the PST file. Here is a beginner’s guide on how to fix Outlook PST cannot be accessed error. Do not worry! Because these Outlook errors can be resolved easily and you might be able to access your Outlook data. If you have encountered any error messages such as Outlook can't open your PST file, Outlook can't open the set of folders, or PST file is damaged. If you are unable to open the PST file in Outlook, then you cannot access your emails, attachments, contacts, reminders, events, or any other Outlook items. As we all know PST file is a crucial data file to perform any offline task on Outlook. You might be feeling horrible after failing to access your PST file in Outlook 2019, 2016, or any other version.