MailsDaddy Zimbra to Office 365 Migration
Effortlessly migrate Zimbra TGZ files directly to Microsoft 365 (Office 365) and Exchange Server. The specialized utility extracts emails, attachments, address books, calendar schedules, tasks, and briefcase items with 100% data fidelity.
- Directly import single or multiple Zimbra TGZ archives to Office 365 mailboxes.
- Migrate to Office 365 Primary Mailbox, Archive Mailbox, or Shared Mailbox.
- Preserve complete folder tree hierarchy, email headers, and attachments.
- Compatible with all Zimbra Desktop and Zimbra Collaboration Server (ZCS) versions.
Certified & Highly Reviewed By Leading Software Authorities
Award-Winning & Recommended by Independent Editors
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Features of the Zimbra to Office 365 Migration
Enterprise-grade recovery and conversion, packed into a simple desktop app — no technical expertise or Exchange server required.
Direct TGZ to Microsoft 365 Migration
Securely upload Zimbra mailboxes directly to Office 365 user accounts via modern cloud authentication.
Batch Zimbra Mailbox Migration
Add multiple TGZ files or uncompressed Zimbra directories and migrate concurrently in batch mode.
Preserve Folder Structure & Email Attributes
Maintains identical internal directory layout, To, From, CC, BCC, Date, Subject, and read/unread status.
Comprehensive Mailbox Item Support
Transfers emails, contacts, distribution lists, calendar schedules, tasks, and briefcase files.
Complete Email Attachment Integrity
Transfers embedded documents, images, and attachments without compression or quality loss.
Preview Mailbox Items Before Export
Inspect Zimbra emails and attachments in the built-in preview viewer prior to uploading to Office 365.
Eye-Catching Features of MailsDaddy Zimbra to Office 365 Migration software
Zero Loss Zimbra to Cloud Migration
High-speed extraction algorithms unpack TGZ containers and migrate items directly to Exchange Online.
- High-speed extraction algorithms unpack TGZ containers and migrate items directly to Exchange Online.
- Engineered specifically for optimal zero loss zimbra to cloud migration workflows.
- Maintains complete data integrity, folder hierarchy, and email attributes.
Secure Cloud Tenant Authentication
Connects directly to Microsoft 365 using modern OAuth and secure tenant credentials for hassle-free migration.
- Direct cloud mailbox migration into Office 365 or Live Exchange Server.
- Zero downtime migration preserving full folder trees and meta properties.
- Supports primary mailboxes, archive mailboxes, and custom folder trees.
We Migrate Zimbra TGZ Mailbox Data to Office 365
Every folder hierarchy, email header, embedded attachment, contact attribute, and calendar recurrence is processed with 100% bit-exact fidelity.
Zimbra TGZ Emails & Headers
Full fidelity email migration with all meta properties...
Transfers complete Zimbra emails with all header properties, formatting, and layout to Office 365.
Supported Elements & Formats:
Convert ZIMBRA to OFFICE-365 in 5 Simple Steps
No technical skills needed. Watch each step in the live software interface or click any step below.
Looking for the complete user manual and working guide?
Explore comprehensive guides for standard PST conversion, search & filter migration, and Live Exchange Server export.
Technical Specifications
Engineered for lightweight footprint, standalone execution, and broad enterprise compatibility for MailsDaddy Zimbra to Office 365 Migration.
System Requirements
Full support for Windows Server 2022, 2019, 2016, 2012, 2008 & 2003 (32/64-bit)
Platform Support
Office 365, Microsoft 365, Exchange Online
Supported Formats
ZIMBRA (Healthy, Corrupted, Orphaned, Large Archives)
Retains 100% attachments, inline images, headers, and metadata
Preserves complete folder hierarchy, read/unread flags, and timestamps
100% Offline & Private
Zero cloud uploads or telemetry. Processing happens strictly within your local machine.
No Outlook Required
Completely standalone engine. Processes ZIMBRA files without requiring host email clients.
No File Size Limits
Tested on massive 50GB, 100GB, and 500GB+ enterprise mailboxes with zero crash.
Full Windows Support
Native execution across Windows 11 down to Windows XP & all Windows Server editions.
Trusted by IT teams and professionals worldwide
Explore our client testimonials to see why users trust and recommend our solutions.
“I want to thank you and your team from the bottom of my heart who helped me so much to keep my mailbox safe. It works great and migrated my Zimbra mailbox to Office 365 very well.”
Lily Voodward
“It is very important to make a good conversion tool accessible to everyone so that everyone can enjoy it like me and convert multiple mailboxes to Outlook and others at once.”
Mickey Huffman
“If you once come across this Zimbra Tgz Converter then you need not think any further. It is a fast and efficient solution to convert single and multiple mailboxes to Outlook PST.”
Edward Paul
Need Help with Zimbra to Office 365 Migration?
Our dedicated 24/7 technical team is available to assist you with any migration or recovery challenge.
The free demo version lets you preview all items and export up to 20 emails per folder.
Frequently Asked Questions
Find clear answers regarding the Zimbra to Office 365 Migration conversion process, file compatibility, and recovery features.
Yes. The software provides a direct export option to Office 365, allowing you to enter your cloud credentials and migrate data directly.
Start migrating with Zimbra to Office 365 Migration today.
Download the free trial and inspect your recovered mailbox in minutes.