Zimbra to Office 365 Migration – Import TGZ Files to M365

Tool for Batch Zimbra TGZ to Office 365 Migration

Migrate your Zimbra TGZ offline files directly to any Office 365 tenant’s mailbox. The best Zimbra to Office 365 migration tool lets users migrate Zimbra TGZ extracted folders, a single TGZ file, or any single folder to Microsoft 365. Also, easily move offline TGZ files of any size with all subfolders, emails, attachments, contacts, and other data items.

Migrate a single TGZ zip file or multiple extracted TGZ files in one go.

Multiple ways to add Zimbra mailboxes for smooth Zimbra TGZ file conversion

Transfer individual items like Email, Calendar, Contacts, Tasks, or Briefcase.

Secure Zimbra TGZ transfer with modern authentication.

User-friendly interface for fast and easy Zimbra TGZ file migration.

Move data from TGZ file to Office 365 Mailbox, Archive mailbox, or Public Folder.

100% data integrity during and after Zimbra TGZ to O365 file conversion.

Compatible with every Windows OS platform for easy accessibility.

How is Our Tool Solving Real-World Problems?

Here are the top scenarios where our tool works best and helps you solve real-world problems.

Business Expansion

Every organization wants to grow and expand their business. They desire a service that can scale up in response to the business’s growth. Office 365 offers this scalability, making it a reliable platform for handling email services.

Enhancing Team Collaboration

In today’s digital world, team collaboration and communication heavily depend on what tools you are using. When it comes to real-time collaboration software, nothing beats Microsoft SharePoint and Teams.

Managing Work from Mobile

Microsoft applications are optimized to run smoothly on laptops and mobiles, which Zimbra currently lacks. This migration allows the employees to handle small tasks like emailing, checking documents, etc., from their smartphones.

What Customers say

Amanda J. Davis, Australia

I didn’t want to migrate everything, just emails from the past year. The option to add a start & end date made that super easy. I can easily define the exact date for the emails to migrate only the emails I want and skip the rest.

Mary K. Kurz, USA

I’m not very technical, so I was worried about doing the migration myself. But the tool was super simple. The steps were clear, and every task was easy to follow. I didn’t need help from IT. This is the best tool to export Zimbra TGZ to Office 365.

KurloUSA

I was surprised by how quickly it moved my data. I had a large TGZ file and thought it would take hours, but it was done way faster than expected. There were no errors or missing emails either. Very impressed with the speed and accuracy.

Top-Notch Features of Kernel Zimbra to Office 365 Migration Tool

Use the powerful features of the Zimbra mailbox to Office 365 migration tool and simplify the mailbox transfer.

Complete Zimbra to Office 365 Migration

Transfer all emails (with attachments), contacts, briefcases, and other data items from the Zimbra TGZ zipped file or extracted file to the Microsoft 365 mailbox, Archive Mailbox, or Public Folder.

Selective Zimbra TGZ to Office 365 Migration

Move only the important data with the categories filter of the Zimbra TGZ to Office 365 migration tool. Choose a category from – Email, Calendar, Contacts, Tasks, & Briefcase for precise migration.

Filter Data Based on Date Range

Easily export Zimbra TGZ data based on any specified time frame. Provide a start and end date to extract data for a specific day, week, month, or year.

Maintains Folder Hierarchy

Best Zimbra to Office 365 migration tool to move large offline Zimbra TGZ files containing multiple folders and sub-folders with original folder hierarchy.

Preview TGZ Files

The Zimbra to Exchange Online migration tool allows you to preview all your emails, attachments, contacts, calendar, etc., items in the original structure.

Multiple File Upload Options

Upload the TGZ file in three ways - Add File (.tgz), Add Extracted Folders, or Add Single Folder. Zimbra mailbox to Office 365 migration tool also shows the total item count in a folder.

Interactive User Interface

Migrate Zimbra mails to Office 365 effortlessly with the user-friendly interface of the tool. Anyone with or without technical knowledge can do the Zimbra mailbox migration.

Backup Zimbra TGZ Files

Backup or save TGZ files to PST, EML, PDF, HTML, etc., file formats with the Zimbra TGZ to Office 365 converter tool. Break large TGZ files into multiple smaller PSTs with a split option.

Free Zimbra to M365 Migration Tool

Download and migrate Zimbra TGZ extracted folders for free with the demo version. The evaluation version allows you to extract 25 items per folder.

How to Migrate Zimbra TGZ to Office 365?

Here’s how to export Zimbra TGZ data to Office 365 using these simple steps:

Step 1: Add the Zimbra TGZ file, extracted folder, or a single folder to the tool.
Step 2: Select the folders to migrate and click Save.
Step 3: Select Destination Types as Migration (Office 365).
Step 4: Input the Tenant ID, Client ID, and Secret Value for Microsoft 365 account.
Step 5: Select the mailbox where you want to migrate Zimbra TGZ extracted folders.
Step 6: Apply filters for migrating selective data and start the migration.

Kernel Zimbra to Office 365 tool Product Home Screen

Frequently Asked Questions about Zimbra TGZ to Office 365 Migration Tool

Still, have doubts? Here are some of the commonly asked questions about export Zimbra TGZ to Office 365 migration tool’s features and usage.

What is a TGZ file and how to extract Zimbra mails to TGZ file?

It’s a compressed file format used by email providers to extract or share crucial data securely. Google also uses this format to allow users to download emails from Gmail. To export Zimbra mailbox to TGZ follow these steps:

Open the Zimbra mail application, go to Preferences
Select Import/Export and click on Advanced Settings.
Select folders and extract them to TGZ file.

Can the tool migrate emails of a particular year?

Yes. Zimbra TGZ to Office 365 migration tool is embedded with a date filter. You can specify any start & end date, and all the emails between these dates will be migrated to your Office 365 account.

Does the Zimbra to M365 Migration Tool maintain the original folder structure during migration?

Yes, the Zimbra to Office 365 migration tool preserves the original folder hierarchy and mailbox structure of your Zimbra mail account. This feature makes sure you get the same structure in the source and destination after the migration and avoids confusion.

Can the tool export Zimbra TGZ data?

The tool allows users to export Zimbra TGZ to Office 365 directly or convert the TGZ file into PST or other formats. It’s the best Zimbra to Office 365 tool to handle all Zimbra mail-related issues like migration and backup.

Do I need to extract TGZ files before migrating?

No, you can upload the TGZ file directly without extracting it. However, the tool also offers flexible options, such as adding extracted folders or a single folder. These options give users the freedom to choose the way that suits them most while migrating Zimbra mailbox content.

Does the tool support batch TGZ to Office 365 migration?

Yes, the tool can migrate multiple Zimbra TGZ extracted folders together. For batch TGZ to Office 365 migration, you must extract all the TGZ files into a single folder. Then, add this folder to the tool and begin the migration. This is especially useful for organizations migrating several user accounts simultaneously to Office 365.

TGZ to Office 365 converter software Prerequisites & recommendations

About Software

Version: 25.0

Release Date: July 2025

License Type: Home, Corporate & Technician

System Requirements

Hard Disk: 500 MB of disk space

Memory: 128 MB Minimum

Processor: Intel® Pentium Processor compatible (x86, x64) or equivalent

Operating System: Windows 365, 11, 10, 8.1, 8, 7, Vista, XP, 2000, 98, NT, 95 (FAT 16, FAT 32, NTFS, NTFS5)
Windows Server 2022, 2019, 2016, 2012, 2008 R2, 2008, 2003 R2, 2003

Installation Guide

How to use

EULA