› Health Resources And Services Administrationįrequently Asked Questions How to export outlook contacts to mozilla thunderbird?īelow is the process to export Outlook Contacts to Thunderbird: Launch Outlook and click on the File menu Select Options from the list that appears In the Options window, click on Advanced Click on Export available under Export heading In the Import and Export wizard, click on Export to a File Click on Next button How to import address book from thunderbird to outlook?.› Headquarters And Headquarters Company.