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SysTools Office 365 to Office 365 Migrator
Migrate Multiple Office 365 Tenant Mailbox to Another Tenant Account / Domain

(Average Rating 4.5 Based on 176 Reviews)

  • Migrate Emails, Contacts, Calendars & Tasks from One Office 365 Account to another
  • Supports to transfer the mailboxes in different Office 365 domains
  • Option to import CSV to add Office 365 source & destination mailbox info
  • Option to enter list of folders which you want to export
  • Supports to provide recurrence for Calendars and Tasks
  • Supports the migration of various O365 subscription plans
    This utility supports:
    • Exchange Online Plan 1 to Office 365 Business Essentials
    • Migrate from Exchange Online to Office 365 Business Premium
    • Exchange Online to Office 365 Small Business
    • Exchange Online Plan 1 to Office 365 Business Premium
    • Migrate from Office 365 P1 to Exchange Online
    • Migrate Office 365 E3 to Business Premium
    • Exchange Online Plan 1 to Small Business
  • Date Filter for Emails, Calendars, Tasks; to do Office 365 migration between two dates
  • Impersonation facility to migrate multiple user's mailboxes in bulk via Admin Account
  • Provides support for Folder Mapping while exporting
  • MS Office 365 source & destination User ID and Password is required for single user
  • Provides facility to pause and resume the transfer process whenever needed
  • Supports all Windows versions to move Office 365 domain to another account
    The tool supports various versions of Windows operating system such as Windows 10, 8.1, 8, 7, Vista, XP to upgrade/migrate Exchange Online to Office 365.

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Free Live Demo - SysTools Office 365 to Office 365 Migrator Fully Secured Download Version

List of Key Features of SysTools Office 365 to Office 365 Migrator

office 365 to office 365 migration

Exchange Online to Exchange Online migration

The software allows you to transfer Office 365 mailbox to another account. It converts emails, contacts, calendars and task items from one MS Office 365 account to another Office 365. The software will map and export data from one mailbox into any desirable mailbox of your choice on the other Office 365 account. The software will retain all Meta properties while exporting data from source to destination.

import csv to add details

Import CSV to Add Details

In order to start the transfer, users need to provide the mailbox credential for both source and destination. For this, instead of adding them manually one by one, you can add a CSV file having the details of Source Office 365 ID, Source Office365 Password, Destination Office365 ID and destination Office 365 password. A sample CSV file is embedded within the tool for reference purpose.

filter mail

Filter Emails, Tasks & Calendars

The Software moves data from one Office 365 to another Office 365 account & also allows you to filter the emails received within a specific date range. It is possible to export the emails, tasks & calendars between "From" to "To" date range by setting the filter accordingly. Also it will be easy to migrate Office 365 tenant to another tenant migration with selective date range.

export selective mailbox item

Export Selective Mailbox Items

Exchange Online to Exchange Online Migration utility provides you the option to export mails, contacts, calendars and tasks. But if you need to convert only selective items, then you can check or uncheck items from the software interface. The software will only transfer/move selective items by maintaining the complete folder structure.

authenticate and export mailboxes

Authenticate & Export Mailboxes

As you add the source and destination mailboxes, Office 365 to Office 365 migration tool first maps the mailboxes. After mapping, it will authenticate each mailbox and proceed with the migrations. You can see the mailbox authentication process in the current status window after you click on the Export button.

generate summary report

Generate Summary Report

As the Office 365 transfer begins; software will show you the complete details and count of mailboxes being converted from source to destination. You can view both current status report as well as final report which include details like: name of mailbox, mails count, contacts count, calendar count, tasks count and the time consumed for the complete migration.

Resume Export Process

Pause & Resume Export Process

The software provides an option to pause the process and resume whenever needed. The migration will resume from the point where it was pause. This way the tool ensures uninterrupted transfer/import.

Export Folders

Export Folders via Folder List

This Office 365 tenant to tenant migration application allows the users to move folders by just entering the list of folders (as inbox, sent, etc). This allows the users to perform the selective migration only for those folders which they need to transfer.

Office 365 to Office 365 Migration Tool Screenshots
Know How to Migrate Mailboxes from One Office 365 Tenant to Another

exchange online to office 365 migration
Step 1: Office 365 to Office 365 Migration Tool
Import CSV File
Step 2: Import CSV File
Preview Mailbox Details
Step 3: Preview Mailbox
export office 365 mailboxes
Step 4: Selection Criteria
Watch Live Video of Office 365 to Office 365 Migrator
Complete Steps to Move Domain from One Office 365 Account to Another

Download Office 365 Tenant to Tenant Migration Software
office 365 to office 365 email migration tool

Size: 3.2 MB Version: 2.0

Trial Limitations

Demo version of Office 365 to Office 365 Migration Tool can transfer/move 100 mails and 25 other item categories like Calendars, Contacts and Task of one Office 365 to other Office 365 account.

Download Office365 Express Migrator

Installation Uninstallation EULA

System Specifications

System Specifications

  • Hard Disk Space: 25 MB of free hard disk space
Frequently Asked Questions

What makes Office 365 to Office 365 email migration tool unique from others?

We are planning to move to another O365 domain. So can we migrate from one Office 365 tenant to another using this utility?

Yes, our application is efficient enough to move domain from one Office 365 account to another.

Can I use the tool on my Windows 10 machine?

Yes, it is possible to use the Office 365 tenant to tenant migration tool on any machine having Windows OS version 10 or below installed in it to migrate mailbox from Office 365 to Office 365 account.

Is it possible to move/transfer multiple Exchange Online account within a single domain?

Yes, our migration software can easily move/transfer Exchange Online to Exchange Online of multiple mailboxes within as well as across the Office 365 tenants.

What if the migration process gets interrupted? Do I have to start the process all over again?

No, you don't need to start the process from the beginning. SysTools Office 365 to Office 365 migration software provides uninterrupted migration as it provides pause and resume opiton to its users. With this feature, the users can resume the process from where it was paused.

Does this tool migrate shared mailboxes from Exchange Online?

No, we are not providing the support for the conversion of shared mailboxes right now. We are providing the option to export user mailbox to another tenant account. In the coming versions of the software, the feature can be added.

Overview of Exchange Online to Office 365 Migration Tool Features – FREE and Licensed Version

Features FREE Version FULL Version
Import CSV to Add Details
Apply Date Filters on Mail, Tasks & Calendars
Authenticate & Export Mailboxes
Generate Summary Report
Windows 10 & Previous Windows Version Supported
Complete Office 365 to Office 365 Migration 100 Emails and 25 Other Items
Cost FREE $99
SysTools Office 365 to Office 365 Migration Tool Order Now
Full Version

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Office365 Express Migrator


Office365 Express Migrator

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Bulk License


SysTools Office365 Express Migrator

For 1000 + User License

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Bundle Offer

OFFER Valid Till 30th Nov

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Office365 (Express Migrator + Document Downloader)

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Note: Software will get delivered on your registered email id, within few minutes after placing the order.

Electronic Delivery: The delivery of product is automated. You will receive an email containing both the link to download the product and the activation key within few minutes after payment confirmation.

Purchase Order: You can place the order via Purchase Order(PO) Click Here

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Features in Freeware & Commercial License

An Overview Of The Contrast between Trial & Purchase License

Office365 Express Migrator FREE Version FULL Version Bundle Offer
Import CSV to Add Details
Authenticate & Export Mailboxes
Apply Date Filters on Mails, Calendars & Tasks
Complete Office 365 to Office 365 Migration 100 Emails and 25 Other Items
Office365 Document Downloader
Simple Login Procedure
Advance Downloading Filter
Error Log Generated
Download Office365 Document

Frequently Asked Questions

Listed Commonly Asked Questions and Answers

What Clients Say

Every time I searched for migration of Office 365 data to another Office 365 mailbox, I was provided with the option to upgrade my license. I am so grateful to SysTools Group for providing the Office 365 to Office 365 migration tool that takes care of the process that falls after license upgrade, which no one else does.

Luciana Craig, US

Though the interface was quite friendly and didn't involve any complicating steps, at some point when I got stuck, contacting support team proved helpful. Hats off to the executive who patiently helped me out at each step without any delays. Thankful to the SysTools Group team.

Taylor Jackson, Germany

I have been searching for the best solution to migrate Exchange Online to another tenant. Then one day, my friend suggested me your Office 365 tenant to tenant migration tool. After using this tool, I have become a fan of SysTools' products. Kudos to the development team of SysTools!

Brittany Fallon, Minnesota

At first I was hesitant to use third-party Office 365 to Office 365 migration tool. But on arriving at your product page, I tried out the demo version. On using the free version, I bought the tool as it was all I wanted. Thanks for this product! I am looking forward to many more efficient and relaible products!

Pamela Grump, USA

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