To import emails from Thunderbird to Outlook, it's necessary to convert MBOX files to the PST format, as the two platforms use different file structures. Thunderbird stores messages in MBOX format, while Outlook relies on PST files, making the conversion a crucial step for accessing your emails in Outlook. Shoviv MBOX Converter is a useful tool that simplifies this conversion process ... https://www.shoviv.com/blog/how-to-import-mbox-to-outlook/