The File .ost Is In Use and Cannot Be Accessed Outlook 2010 Error – Resolved

The File .ost Is In Use and Cannot Be Accessed Outlook 2010 Error – Resolved

March 17, 2019

Microsoft Exchange users are familiar with OST files. Basically, when a user is using Microsoft Exchange with Cached Mode on, then a replica of the mailboxes present on the server is created on the local machine. This replica is the OST file…