When I needed to migrate Zimbra to Gmail, my biggest concern was losing emails, attachments, or folder structure. After searching for options, I came across the SysInfo IMAP Backup Tool. Since Zimbra supports IMAP, I simply connected my Zimbra account through IMAP in the software and logged in. The tool displayed all mailbox folders in a preview, which made it easy to select what I wanted to transfer. Then I chose Gmail as the destination and started the process. The migration completed smoothly while keeping all emails, attachments, and folders intact. It also had options like date filters and duplicate removal, which helped make the migrate Zimbra to Gmail process much easier and organized.
Read more: https://www.sysinfotools.com/blog/migrate-zimbra-to-gmail/