Importing from Thunderbird to Outlook requires converting MBOX files to PST format since these email platforms use different file structures. While Thunderbird stores emails in MBOX format, Outlook exclusively works with PST files, making conversion essential for accessing your emails in the new client. Shoviv MBOX Converter is the tool that helps users to do this task easily. https://www.shoviv.com/blog/how-to-import-mbox-to-outlook/