How to fix the error - Outlook file Access denied OST

Microsoft Outlook is a very popular and widely used email client and nowadays most of the organizations using Outlook for managing our employee’s mail account. Outlook creates an OST (Offline Data file) that is the replicate copy of the Mailbox in Exchange Server. But due to some reasons, the Outlook gets an error "OST file access is denied".

So here I am going to discuss all the possibilities and the solution how to fix the error Outlook file Access denied PST. Just follow all the step by step processes to fix it.

Reason of the Outlook File Access denied

The Outlook OST Access denied due to improper integrity. Or if you create a new Outlook Profile the logical error gets display on the screen due to the path of that create.ost is not correct.

In addition, if the file marked as read-only, then the Outlook error message "File access denied".ost is also displayed.

Resolve the error "Outlook file Access Denied"

To fix this error you can also you the Manul or a tool and here I going to explain both processes that will help to fix the error OST Outlook file Access denied.

Method 1: Manually fixed Outlook OST file Access denied error

You can repair the error by the following step by step process.

Step 1: Firstly exit the Outlook and Run the inbuild index Repair Tool (scanost.exe).

Location of the index repair tool: \Program Files(x86)\Microsoft Office\Office15 (for Outlook 2013)

Step 2: After that Open the Outlook As an Administrator for doing this go to the Start menu>> all programs>> Microsoft Office 2013>> right-click on the Outlook>> More and choose Run as Administrator option.

Step 3: Once it has done, check OST file attributes and if the Read-Only option checked then first unchecked that option.

Step 4: Now go to the Security tab under OST File Properties and verify whether the user has full control permission. If the user does not have permissions then grant all permissions.

Step 5: At the end rename the.ost file with a new name and open the Outlook.

Method 2: Resolve the error after converting OST to PST

If the problem is not solved by using all these above-given cases then you can fixed it after converting the Outlook OST to PST. And there are so many solutions (like A2Z Migrations for OST to PST, MailsDaddy OST to PST Converter, Sysbud OST to PST Converter, and Quickmigrations for OST to PST, etc.) available to export OST to PST.

But for the better and affordable solution, I recommend the A2Z Migrations for OST to PST. The user can purchase its full version at the very starting price of $10.14 per mailbox with all the faculties. And simply migrate the single or multiple Outlook OST data to PST at once or Parallelly with whole emails, contacts, calendars, tasks, appointments, and attachments, etc.

The application also exports all the encrypted, damaged, and orphaned Exchange, Outlook, IMAP, and Hotmail OST to PST or other formats like MSG, EML, HTML, RTF, and MHTML, etc.

Conclusion: In the above post I try to explain how to fix the error - Outlook file Access denied OST. And there I also discuss two possible ways one is manual or another is converting OST to PST you can use any one of them. Now if you still have any issue just leave a message on the comment box.

I am a technical blogger working with A2Z Migrations. And we worked for Email conversion Data conversion, Data Backup and Password Recovery Solution.