How to Troubleshoot the Outlook crash after updating Zimbra Connector for Outlook (ZCO) version 9.x

[2022-06-29] As we consolidated all tech blogs into Dewapost website, we also post this blog into and we reformat the content to suit within their guideline.

The mail host provider has maintenance on their server. It is a big upgrade from version 8.8 to 9.x. Once the server updated complete, all email clients (Outlook) tried to update the Zimbra Connector for Outlook (ZCO).


Due to some machines do not have admin rights and keep circling to update, the manual update has to be done via downloading from The installation went OK but when run the Outlook just shut itself/crash. 🙁


Create a new Outlook profile by using Zimbra connector and sync the email.

When the sync is done, delete the old Zimbra profile.

Restart the machine.

Open the Outlook again.


Microsoft Windows 10 Version 1903, 1909, 2004
Microsoft Outlook Version 2013, 2016, 2019
Zimbra Connector for Outlook Version (old)
Zimbra Connector for Outlook Version (new)

Final Say

If you have reached the end of this article, congratulation! Hopefully, we have been able to shed some light on how to troubleshoot the Outlook crash after upgrading the Zimbra Connector for Outlook Version 9.x.

We would love to hear about how you solve this issue and what problems you might be facing. Please feel free to leave us a comment below this article and let us know if you have any questions that we can answer! Thanks again!

Credit for the image by Iván Tamás from Pixabay. Awesome pic!

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