To do this, use one of the following procedures, as appropriate for your version of Windows. ost file instead, you can skip this step. ost file to the new location that you want to use. Workaround Method 1 - Create a new Outlook Profile and then change the location of the. This mode is a legacy data access method for online mode connections to Microsoft Exchange Server. This issue occurs because of the deprecation of the classic offline mode in Outlook 2013 or later versions. ost) in Microsoft Outlook 2013 or later versions, the Browse button on the Outlook Data File Settings page is disabled. When you try to change the location of the offline Outlook Data File (. Applies to: Outlook 2019, Outlook 2016, Outlook 2013, Outlook for Office 365, Outlook LTSC 2021.You can't change the location of the offline Outlook Data File (.ost) in Microsoft Outlook
