Aid4Mail can migrate well over 40 e-mail programs and mailbox formats, as well as all the popular webmail services (Gmail, Outlook.com, Office 365, Yahoo! Mail). It is suitable for both small and large-scale projects (even large corporations and governments use it).
With Aid4Mail you can: export Thunderbird to Outlook, convert DBX to PST files, transfer Yahoo! Mail to Gmail, convert mbox to PST and PST to mbox, and lots more.
If you need an e-mail migration tool you can trust, that will get your job done fast without compromising quality, and that is competitively priced, get Aid4Mail.
What's new in this version:
Version 3.7 improves support for non-standard mbox files.