I have been using Mozilla Thunderbird for several years, and now my organization has switched to Microsoft Outlook. I need to move all my Thunderbird emailsincluding inbox, sent items, attachments, and folder structureinto Outlook. The main challenge is that Thunderbird stores emails in MBOX format, while Outlook supports PST. I am worried about data loss, missing attachments, or email formatting issues during the migration. Is there a reliable and safe way to import Thunderbird emails into Outlook without losing any data?
If you've been searching for an easy method to import Thunderbird files into Outlook without data loss, I suggest the WholeClear Thunderbird to PST Converter. Its graphical user interface is easy to understand, allowing it to rapidly convert data from Thunderbird to Outlook PST format and provide effortless conversion from Thunderbird to PST format. Install the software on various Windows operating systems like - 11, 10, 8.1, 8, 7, XP, and Vista. Even this software has free demo features that convert a few Thunderbird files to PST for free.
-- Edited by badoj17339 on Monday 22nd of December 2025 07:16:15 AM