Softaken Zimbra to Office 365 Migration Tool

Softaken Zimbra to Office 365 Migration Tool
Migrate Zimbra TGZ files to Office 365 cloud without any hassles

No Zimbra Desktop required · Direct TGZ → Microsoft 365 / Exchange Online
  • Standalone application to import TGZ to Office 365
  • Maintain Zimbra emails folder structure during the migration
  • Easy import of TGZ emails with attachments to Office 365
  • Full TGZ file scan and preview
  • Configuration of Zimbra email client is not compulsory
  • Support all editions of Zimbra & Windows OS
  • Direct and safe migration of TGZ files to Exchange Online OWA account
  • Free TGZ to Exchange Online Importer for all
  • 100% accuracy without risk of file corruption & data loss
  • Preserve Non-English content of Zimbra files
Download Now100% SafeBuy Now
🔒 Secure Office 365 login with account credentials / App Password (as required by your Microsoft 365 tenant) — enter details to authenticate; Softaken uses them for migration only.
No Zimbra Desktop neededDemo: 10 items / folderFolders & attachments kept

Zimbra TGZ to Office 365

Zimbra .TGZSoftaken ImporterMicrosoft 365 / Exchange Online

Watch TGZ to Office 365 Demo

Migrate Zimbra TGZ backups to Microsoft 365

See Softaken TGZ Suite browse TGZ archives, preview emails, authenticate to Office 365, and upload selected folders — without installing Zimbra Desktop.

  • Add TGZ directly (no manual extract)
  • Preview and select items to import
  • Enter Office 365 login details to authenticate
  • Keep folder structure and attachments
Watch on YouTubeScreenshotsUser GuideVideo Tutorial Page

See the Importer UI

Browse Zimbra TGZ file
1

Browse TGZ file

Add Zimbra .TGZ archives directly — no WinRAR/7-Zip extract step.

Preview and choose Office 365 export
2

Preview & select

Scan TGZ data, preview items, and choose what to import to Office 365.

Office 365 account authentication
3

Office 365 login

Enter Office 365 login details to authenticate, then choose or create a destination folder.

Full walkthrough: demo video · user guide · more screenshots.

Important Features of TGZ to Office 365 Importer

feature

Import Zimbra to Office 365 directly

The utility provides an option to directly import Zimbra emails to Office 365 account with associated attachments. By providing the login credentials of Office 365 account, you can open Zimbra files on Office 365 cloud account anytime & anywhere.

feature

Analyze TGZ files with Preview function

The program supports the preview function. Once TGZ file is uploaded, it is scanned and then users can check the content in the preview pane. This will help users to analyze all TGZ data items prior moving them to you defined Office 365 account.

feature

Migrate TGZ to Office 365 without Zimbra

Don’t have Zimbra installed on your system? No worries, to use Softaken TGZ to Office 365 Migration Tool, no requirement of Zimbra installation. The program is standalone and smoothly migrate TGZ files to Office 365 account in the absence of Zimbra desktop.

feature

All Windows & Zimbra versions are supported

TGZ files extracted from all editions of Zimbra are supported by the utility. Moreover, the software can be used on any Windows edition whether it is the latest Windows 11 / 10 or any older version like Vista. The software comfortably works with all Windows versions.

Feature Comparison of TGZ to Office 365 Importer – Trial and Licensed Version

Features
  • Import Zimbra TGZ emails to Office 365 / Exchange Online
  • Preserve folder hierarchy, attachments & email attributes
  • Preview & select items before upload
  • Multiple TGZ files / batch email import
  • No Zimbra Desktop required
  • Support Windows 11/10/8/7 & others
  • Limitation
  • Price
DEMO Version
  • 10 items / TGZ folder
  • FREE
FULL Version
  • Unlimited
  • From $99

Tools Faq's

Go through the steps to understand the process of importing Zimbra files to Office 365 –

  1. Install and Run Zimbra to Office 365 Migration Tool.
  2. Add TGZ file.
  3. Preview TGZ data items and select data to import.
  4. Enter Office 365 login details to authenticate the account.
  5. Choose a folder or create a new folder in Office 365 account for TGZ files.
  6. Hit the Upload Now button to commence the migration.
No, the working of the software is free from all file size limitations. Users can perform unlimited emails import from Zimbra to O365 account.
Yes, you can use this application smartly on Windows 11, 10, 8.1, 8, 7, XP, Vista, and various other editions.
Yes, users can import specific emails from Zimbra email client to Office 365 account without any trouble.
Yes, you will get a demo version that can be downloaded by all users to check the working performance of the software. It will import only 10 items from every TGZ folder.
The software authenticates by entering your Office 365 login details (as shown in the migration steps). If your Microsoft 365 tenant blocks legacy passwords, use an App Password or the sign-in method your admin enables for IMAP / third-party access, then provide those credentials in the tool. This TGZ Suite workflow is credential-based login — it is not documented as Microsoft Graph OAuth like Softaken’s dedicated PST to Office 365 Importer.
You can select multiple TGZ files (or a folder of archives) and migrate selected emails after authenticating to an Office 365 account. Dedicated Global Admin CSV mailbox-to-mailbox mapping is not documented as a feature on this page — migrate by signing in with the target mailbox / Office 365 credentials for each destination as required.
No. Add the TGZ file directly in Softaken Zimbra to Office 365 Migration Tool. Manual extraction with WinRAR or 7-Zip is not required.
No. There is no requirement of Zimbra installation. The program is standalone and can migrate TGZ files to Office 365 in the absence of Zimbra Desktop.
This product page documents migrating Zimbra TGZ emails (with attachments and folder structure) to Office 365 / Exchange Online. Syncing contacts to People, calendars to Calendar, or tasks is not listed as a documented feature here.
Yes. Folder structure is maintained, attachments are imported with emails, and email components such as headers, to, cc, bcc, subject, formatting, and images are preserved after migration.
No, the working of the software is free from all file size limitations. Users can flawlessly import any size TGZ file to Office 365 cloud. Ensure a stable connection and enough local disk space for large archives.
The demo imports only 10 items from every TGZ folder. The licensed edition unlocks unlimited migration (from $99).

Software Specifications

System Requirement

ProcessorAny Pentium Class

Operating SystemWindows 11, 10, 8.1, 8, 7 & Other

Memory512 MB Minimum

Hard Disk100 MB of free space for software installation

Software Delivery

ElectronicVia Email

Minutes15

Interface Available

Language SupportedEnglish

Support OptionEmails, Chat & Skype

Client Reviews

Michel Dickens

Michel Dickens Verified

New Zealand

★★★★★
Millions of Thanks to Softaken Team for introducing this quality product. It becomes so easy for users to import emails from Zimbra desktop to Office 365 with this tool.
Greta Romaguera

Greta Romaguera Verified

USA

★★★★★
For me, this is an ultimate solution that I get after struggling for 15 days. It quickly imported my Zimbra mailboxes to Office 365 webmail.
Patricia Carre

Patricia Carre Verified

France

★★★★★
I checked for free manual ways but unable to get them. Then, my colleague offered me your tool and without Zimbra installation, TGZ files are migrated to Office 365 account by maintaining data integrity.
Calin Alexa

Călin Alexa Verified

Romania

★★★★★
Wow! This is the word that comes from my mouth when I downloaded the demo version. Truly an affordable and reliable solution.
Write a Review

Frequently asked questions

How does this tool connect to Office 365 without using Basic Authentication?

Authenticate with Office 365 login details. If legacy passwords are blocked, use an App Password or the sign-in method your Microsoft 365 tenant allows for IMAP / third-party access. This page documents credential-based login, not Graph OAuth.

Can an Office 365 Global Administrator migrate multiple TGZ files to different user mailboxes in bulk?

Multiple TGZ files can be selected for migration after authenticating to Office 365. Dedicated Global Admin CSV mailbox mapping is not documented on this page.

Do I need to extract the TGZ archive before uploading it to Microsoft 365?

No. Add the TGZ file directly — manual extraction is not required.

Do I need Zimbra Collaboration Suite or Desktop installed on my machine?

No. Zimbra installation is not required. The tool migrates TGZ files as a standalone application.

Will this tool migrate Zimbra contacts, calendars, and tasks to Office 365 along with emails?

This page documents email migration with attachments and folder structure. Contacts, calendars, and tasks sync is not listed as a documented feature here.

Does it preserve the original folder hierarchy, attachments, and email meta tags (To, From, CC, Date)?

Yes. Folder structure, attachments, and attributes such as to, cc, bcc, subject, and headers are preserved.

Is there any file size limit when migrating multi-gigabyte TGZ archives to the cloud?

No. The software is free from file size limitations for TGZ import to Office 365.

What are the limitations of the free trial version of TGZ to Office 365 Migration Tool?

The demo imports only 10 items from every TGZ folder. The full license unlocks unlimited migration (from $99).

Specifications
ItemDetails
ProductZimbra to Office 365 Migration Tool (TGZ to Office 365)
PublisherSoftaken Software
PlatformsWindows 11, 10, 8.1, 8, 7 & others
Demo10 items per TGZ folder
Pagehttps://www.softaken.com/tgz-to-office-365-importer