How to Troubleshoot the Outlook Crash after Updating Zimbra Connector for Outlook (ZCO) Version 9.x

[2022-06-25] Originally, this post was written back in August 2020 on Dewacorp's blog website. We consolidated all tech blogs into this place and we reformat the content to suit Dewapost's guidelines.   

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/crashed. 


Create a new Outlook profile by using the 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)

The Final

Congratulation on reaching the end of this article. We hope that we have been able to shed some light on how to enable or disable allowing extensions from other stores for Microsoft Edge Chromium.

We write this in such a way that this is not a fixed article. Like in this journey, we learn as we go and we re-write some parts so please keep pinging with this article.

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