For the best software to export OST to PST files offline in Outlook, I recommend trying eSoftTools OST to PST Converter software. This tool delivers excellent results and boasts a user-friendly graphical interface, making it suitable for both technical and non-technical users. It is compatible with all types of Windows OS, including Windows 11, and supports various versions of MS Outlook. Additionally, eSoftTools provides a free demo version of the software, allowing users to test its capabilities before making a decision. You can download the demo version from the eSoftTools website.

Read More - Export Offline OST to PST Files in Outlook