If you want to import Zimbra file to Outlook PST then you can try any commercial solution like KDETools Zimbra to Outlook PST Converter tool. This application shows free sample of data before starting conversion process. It is the safe and secure tool which can proficiently export Zimbra file to PST and various file formats such as MBOX, EML, EMLX, HTML, PDF and etc.

Read More: https://www.kdetools.com/zimbra/