The Microsoft Outlook and Exchange servers are the widely used applications. Most of the users who work with MS Outlook were familiar with .OST extension. It is also known as Offline Storage Table used to store your mailbox’s items (Emails, Contacts and Calendars, etc.) when you’re working with Exchange Server and MS Outlook in offline mode.
Sometimes you start getting error “Outlook.ost file is in use and cannot be accessed close any application that is using this file”. Which means the OST file you are trying to open is already used by another program or application. There are a few similar errors which you may notice while accessing the default OST file:
These errors mainly occur when multiple users or application are trying to use the same OST file. Apart from that, here are some of the common reasons for such queries:
After confirming how to detect the error and finding the reasons behind it, the next step is to try and resolve these issues. For this there are three approaches explained which will help you to understand how to fix default outlook profile.ost is in use and cannot be accessed error.
This is initial solution may be helpful to fix the above listed errors. Follow the step by step guide to perform the task.
This is another method may help you to solve the issue. In this method you just need to disable cache Exhnage Mode by following below steps:
This is the last but effective method to fix error “host file is in use cannot be accessed” and make OST file readable.
Conclusion: In this article three different methods are discussed to fix error “cannot display the folder the file outlook ost is in use and cannot be accessed”. In case above solutions fails to repair and fix these issues, then you use OST to PST conversion solution provided by MailsDaddy . It will fix the ost file is in use by another application error and give you another file with extension .pst which can be directly opened or imported into all editions of Microsoft Outlook.