If all else fails, the Wayback Machine has snapshots of the official download pages. Locate a snapshot from 2016-2018 to find the direct download hash.
You came here to , and you now have the roadmap. To recap: Download Zimbra Desktop 7.3.1 for Windows
Only download Zimbra Desktop 7.3.1 for Windows if you specifically need to access an old ZCS 8.0-8.5 server offline. For everything else, use an up-to-date IMAP client. If all else fails, the Wayback Machine has
. While it was a flagship tool for the Zimbra Collaboration suite, it has largely been superseded by newer versions like Zimbra 10 (Daffodil) and the modern web interface Key Features All-in-One Management If all else fails