office 365 outlook cannot open ost file says it is in use

Now, search and click on the Mail tab and tap on the Email Account button.First, Close the Outlook application and Launch the Control Panel.Then, click on such processes and hit the End Task button one by one.A wizard will appear on the screen, click on Processes, and look for applications like “ Outlook,” “ Lync,” “ Communicator,” or “ UCMAPI”.Now, click on the More options and open the Processes tab.Firstly, Close the Outlook application and open the Task Manager.Method 1: Quit MS Outlook and Related Processes You need to follow each method in a stepwise manner. In this section, we have explained the solutions to fix Outlook OST is in Use and Cannot Be Accessed Error in detail. How to Resolve MS Outlook Errors in Different versions? Other processes like the Office Communicator, LYNC, and UCMAPI run in the background.Downloaded the application in the wrong way and hence caused conflicts.Communication and synchronization problem between the OST and Associate Exchange Servers.Due to unreliable network connectivity or slow internet connection.When multiple users try to access the same OST file at the same time.If there is unauthorized access to the OST file.Also, the error may be displayed due to several other reasons like: So, when this error displays in Outlook, it creates a file opening issue due to this, the file username. Generally, this error occurs when a user tries to send and save Office application functions such as MS Word and Power point. Causes Behind Outlook.ost is in Use and Cannot Be Accessed Now, before moving ahead, let’s move ahead toward the possible causes behind the error. If you are one of them, follow this content from top to end to fix your issue without any extra effort. But at some point, Outlook users face an “OST is in use and cannot be accessed” error. MS Outlook stores its mailbox items like email, contacts, calendars, etc., in the OST file format that is also known as Offline Storage Table. Microsoft and Exchange Servers are widely used popular and top-ranked applications. Also, we have introduced a professional approach that provides a smooth working experience to its users.

In this technical post, we will help you to resolve your queries regarding the error.

Outlook OST is in Use and Cannot Be Accessed. If you are looking for a reliable solution to find relevant solutions to resolve the Outlook error i.e.

Office 365 outlook cannot open ost file says it is in use