Document Alert! This article is written for Zimbra OSE users. As of December 2023, Synacor will no longer be providing support for Zimbra OSE. You might want to consider trying out Carbonio Community Edition – Zextras’s free and open-source email and collaboration platform. For additional guidance, check out our community articles detailing the process of … Continue reading How to Upgrade Zextras Theme for Zimbra | Zimbra