If you are looking Zimbra to PST converter tool so I want to refer to you best Zimbra to PST converter software which is KDETools software. this software provides you with more advanced features by using this software you can convert the Zimbra file into multiple file formats such as Zimbra to PST, HTML, MSG, EML, EMLX, this software has very simple interface everyone can operate it doesnt need be having technical knowledge.
Read More: https://www.kdetools.com/zimbra/