SysTools Exchange to Office 365 Migration Tool

Exchange On Premise to Office 365





A top-rated utility by Exchange Administrators and technical experts globally for its efficient and frictionless Exchange to Office 365 migration. It prioritizes data integrity and security while completing the migration within the specified timeframe and budget.

(Average Rating 4.0 Based on 949 Reviews)
  • Migrate Exchange Mailbox items Such as Email, Contacts, and Calendar
  • Support Multiple User Mailbox Migration at Once Using Admin Credentials
  • Export Exchange On-Premise 2010, 2013, 2016 and 2019 User Mailboxes
  • Provision to Transfer Newly Arrived Data Using Delta Migration
  • Provide Date Filter to Transfer Important Data First
  • Map Exchange Users to Office 365 Users for Authentic Migration
  • Software Maintains Calendar Recurrence for Scheduled Events
  • Provision to Retry Failed Migration for Uninterrupted Migration
  • Allow to Prioritize Important Mailboxes to Migrate First
  • Migrate User Mailboxes Present in Any Subdomain or OU
  • Inbuilt Dashboard to Track Ongoing Migration Process
  • OS Compatibility: Windows Server 2012, 2016 Windows 10 & 11 (64-bit)

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Exchange to Office 365 Migration Software Features

Advance Features Offered for Exchange to Office 365 Migration

  • Migrate Group Calendar from source Exchange server.
  • Map event attendees using additional CSV mapping.
  • Migrate specific data items: Email, Contacts, and Calendar.
  • Apply separate date filters for Email, Contacts, and Calendar.
  • Provide concurrent migration for improved efficiency.
  • Set up an SMTP server for real-time migration updates.
  • No end-user credentials are required for migration.
  • Utilize tenant project creation for speedy migration.
  • Provision to fetch & add all users of source tenant.
  • Import own list of users via a CSV file using Import Users.
  • Get sample CSV file to map users via Download Template.
  • Dashboard for in-process, pending & completed items access.
  • Migrate Exchange groups to Office 365 groups.
  • Create a mapping between Exchange and Office 365 groups.
  • Check permission prior to migration to skip last-minute error.
  • Option to Include or exclude users for migration as desired.
  • Error handling mechanism prompts errors at nested level.
  • Built-in dashboard to track email, contacts & calendar counts.
  • Option to stop the ongoing migration process.
  • Retry Failed Items: Remigrate only failed items.
  • Re-Run full migration: Migrate entire data without duplicates.
  • Delta migration: Migrate only newly-arrived data from source.
  • Summary report shows success, failed count, size, & status.
  • Detailed report shows data of each mailbox in separate CSV.

Our Achievments Over the Last Few Months!


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Why Users Trust SysTools Exchange to Office 365 Tool?

Recognized By Gartner

Secure Authorization with Office 365 via OAuth 2.0


Comprehensive Reports

ISO 9001:2015 and ISO 27001:2013 certified

24x7 Support

Advance Options Offered by Exchange to Office 365 Migration Software

Retry Failed Items: Allows you to migrate any mailbox items that have failed to migrate in the first attempt. Choosing this option will make the software migrate only the failed items.

Re-Run Full Migration: Makes the software scan the complete mailbox and migrate any item that has failed to transfer due to any reason. This feature re-runs the entire migration process.

Delta Migration: Migrates/ exports only the data items that have arrived in the mailbox after the completion of the last migration process. It helps you to transfer only the newly-arrived data instead of the entire mailbox again and again. Just make sure that you are using the same machine while using this feature.

Users Mapping

Keep Track of the Ongoing Exchange to Office 365 Migration Process

Track Real-Time Progress: This Exchange 2013, 2016, 2019 to O365 migration software enables users to keep track of the export process within the software panel. This feature helps you view the real-time progress of the migration job with the count of emails, contacts and calendars that are being migrated.

3 Types of Dashboard Customization:

  • In Process: Displays details of data currently being migrated.
  • Pending: displays data awaiting for migration.
  • Completed: displays successfully migrated data.

Once the tool starts migrating Exchange servers to O365. You can track the progress of the migration process in the software panel.

Note: In order to switch dashboard mode, you have to refresh it.

Exchange to Office 365 Migration

Exchange to Office 365 Migration Tool – Salient Features

Best Software to Transfer Exchange 2013, 2016, 2019 On-Premise Emails, Calendar & Contacts into O365 Account

Exchange to Office 365 Migration Tool

Transfer All Items

Migrate Exchange to Office 365

The Exchange to Office 365 tool is advanced enough to export the entire mailbox data from Exchange 2013, 2016, 2019 platform. It means users can easily transfer emails, calendar and contacts without losing any data. Additionally, it makes sure that the data integrity throughout the task is maintained.

Quick Exchange to Office 365 Migration Process

Export Exchange Users Quickly

Exchange 2016 to Microsoft Office 365 migration tool makes the whole process of migration effortless and hassle-free. It allows you to transfer user accounts under a given Admin account in one go. The software is capable enough to quickly migrate Exchange mailboxes at a decent speed without causing any trouble.

(* The speed of transferring data might differ as it depends upon the configuration of the machine and Internet bandwidth.)

Exchange to Office 365 Migration Tool

Prioritize Exchange User Accounts

SysTools Migrator lets you to select any number of users to migrate from the provided list of source and destination accounts. Another unique feature of the utility is that users can set the priority of specific user accounts to export them before other mailboxes.

Selective Migration

Option for Selective Exchange to Office 365 Migration

Users can also apply various filters to transfer only important/necessary data from Exchange accounts. There is a category-based filter to filter calendar, contacts or emails and a date filter to select data as per the specified date range.

Maintain Folder Hierarchy

Preserves Original Folder Structure

Exchange 2013 mailboxes to O365 migration tool helps users to maintain the original folder hierarchy of the source account. It makes sure that the folder structure of the Exchange mailbox is preserved and saves mailbox data in user-defined folders.

Exchange to O365 Migration Tool

No Limitation on Account Size

This one-stop solution is advanced enough to export user account data of any size. Moreover, Admins can move ‘n’ number of Exchange 2019, 2016, 2013 mailboxes into Office 365 account. Users can easily transfer a large-sized account without losing any mailbox item.

Add Users

Fetch Users from Server

The Exchange On-Premise to Office 365 Migration Tool offers two options to add users for migration:

  • Fetch Users: This option enables users to fetch all the user mailboxes from Exchange Server.
  • Import Users: You can also download the CSV template from the tool and add the source and destination IDs of the users you wish to migrate to Office 365.

Re-Run Exchange Migration

Re-Run Exchange On-Premise to O365 Migration

Another advanced feature of the tool offers following functionality:

  • Retry Failed Items: To migrate failed items again.
  • Re-Run Full Migration: To migrate complete data again without duplicate.
  • Delta Migration: To migrate only newly-received in the source account.

Exchange to O365 Migration Tool

Stop & Start Migration

This application to migrate Exchange to O365 provides users with the option to stop the migration process, if required. This feature proves to be useful in case you encounter any error while migrating to Office 365. You can stop the process midway, fix the error, and then restart the process from where it was stopped.

Include Sub-Domain Users

Include Sub-Domain Users as Well

Another useful feature of the Exchange to Office 365 tool is that it allows you to migrate data from sub-domain users available in Exchange Server. It is an additional feature of Exchange to Office 365 migration tool. To include any sub-domain users, you need to enable the checkbox while entering Exchange Server details.

Provide Activity Log Report

Generate a Complete Log Report

Once the process of migrating Exchange mailboxes to O365 is completed, this utility provides a summary as well as a detailed report of the process. The summary report contains the count of successfully exported emails, contacts, calendars and all the failed items. The detailed report carries the complete information of the user account such as Source and Destination ID, Folder Name, File Name, and Status.

Live Monitoring

Live Export Progress Report

You can check the live status of the migration process and track the accounts’ migration through the user-friendly interface. The software displays the transfer progress in three stages— Pending, Progress, and Completed. Moreover, you can also check all the ongoing processes from the All tab.

Specifications for SysTools Exchange to Office 365 Tool

Try Free Demo Version of the Utility to Migrate Exchange On-Premise to O365 Account

Software Download

Size : 181 MB

Version : 6.8.1

MD5 : a5a5caa11769e818719cbbad48bf890c

Trial Limitations

The free trial version of Exchange Mailbox to Office 365 Migration software will transfer Emails, Contacts and Calendar for two user accounts only.

System Specifications

Hard Disk Space
Around 500 MB for installation & the tool requires at least 20GB of free space to store data

8 GB is recommended

Minimum 8 Core Processor


  • Destination User(s) should be already created at destination Office 365 Admin account.
  • 11

      Pre-requisites for Microsoft Exchange as Source

  • The Exchange Admin account must be impersonated. Exchange Impersonation Steps
  • The destination account should have a valid license.
  • Provide the UPN (User Principal Name).
  • The destination account must have Mail.ReadWrite(Graph), Mail.ReadWrite, full_access_as_app(Exchange), permissions granted on Azure project.
  • Microsoft Exchange Server should be on-premise.

      Pre-requisites for Office 365 as Destination

Additional Requirements

  • Minimum Microsoft .NET Framework v4.8.0
  • Microsoft Visual C++ Redistributable Latest (Visual Studio 2015, 2017, 2019, and 2022) Should Be Installed. Download

Supported Editions

  • Microsoft Windows: Windows Server 2012, 2016, Windows 10 & 11 (64-bit)
  • Microsoft Exchange: Exchange Server 2013, 2016 & 2019



Electronic Delivery


Software Customization

If you need to customize Exchange 2013, 2016, 2019 to Office 365 Migration Tool or need additional features then, Request Quote

Exchange to Office 365 Tool – Features Comparison

Overview of Exchange On-Premise into O365 Migration Tool – Demo & Licensed Version

Features DEMO Version FULL Version
Complete Exchange to MS Office 365 Migration
Maintains Folder Hierarchy
Date Filter on Mails, Contacts, & Calendars
Windows 10 & 11 / Windows Server 2012 / 2016
User Priority-Based Migration
Generate Summary & Detailed Report
Support for Delta Migration
Unlimited Mailbox Data Migration Migrate 2 User Account
Cost Free $25
(5 Users)

Awards & Reviews

An Advance Exchange to Office 365 Migration Tool for Your Ease

MVPs & Expert Reviews

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Queries Related to SysTools Exchange to Office 365 Tool
Common Questions Asked Regarding Exchange On-Premise into O365 Migration
How to use this Exchange On-Premise to Office 365 Migration Tool to migrate 2010, 2013, 2016, 2019 to Office 365?

5 Simple steps to perform Exchange to Office 365 Migration using this Tool:

  • Step 1. Download, Install & Run Tool on PC.
  • Step 2. Select Mailbox Items & Apply Date Filter.
  • Step 3. Enter Admin Details for Exchange & Office 365.
  • Step 4. Validate Permissions & Create User Mapping.
  • Step 5. Select User Accounts & Hit Start Migration.

The software does not enforce any mailbox size limitation. Users can transfer multiple Exchange user accounts to Microsoft O365 account irrespective of their size. This makes the entire process really simple and effortless.

Yes, the application provides a category-based filter and a date-based filter using which users can easily select and choose the mailbox item(s) that they want to export from Exchange On-Premise to Office 365 account.
Choosing the SysTools Exchange On-Premise to Office 365 software for migrating Exchange mailboxes to O365 gives you the option to export your entire data which includes emails, calendar, contacts without any data loss.
Yes, you can use this utility to export single or multiple Exchange mailboxes without any data loss. Moreover, it allows you to migrate Exchange server 2010 to Office 365, and also all the latest Exchange server versions like 2013, 2016 and 2019.
It depends on the number of mailbox items that are stored in the Exchange mailbox. As per Office 365 throttling policies, the mailbox with 1,000 large sized email messages will migrate quickly than 10,000 small sized emails.
Yes, there is a date-range filter that you can use to move your data from a particular period of time. It offers “From” and “To” options in which you can mention the date-range of data.
Exchange to Office 365 migration implies the process of migrating the email and collaboration services from on-premises Exchange servers to Microsoft's cloud-based Office 365 platform. It's necessary for several reasons such as:
  • Scalability
  • Cost-efficiency
  • Accessibility Benefits
  • Easy and Vast Integration
  • Security Updates on Regular Intervals
  • Real-time Collaboration with OneDrive for Business
A hybrid migration combines on-premises Exchange and Office 365 in a single environment. Consider it when you want to move gradually or have complex coexistence requirements. However, the hybrid migration requires full proof of technical expertise, or else you can face various challenges. On the other hand, you can choose this software to imitate the hybrid migration scenarios.
There are several tried and tested methods, including
  • Cutover Exchange to Office 365 Migration
  • Staged Exchange to Office 365 Migration
  • Hybrid Exchange to Office 365 Migration
  • IMAP Exchange to Office 365 Migration
The choice depends on your organization's needs and the existing setup.
Preparation for Exchange to Office 365 migration requires several planning and implementations. You have to ensure that your source and destination Exchange servers are updated and are in working condition. Verify the license requirement in Office 365 and the network bandwidth. Moreover, there are a few noteworthy checklists that you should be aware of -
  • Data Collection of Current Setup Environment
  • Coexistence of Data
  • Active Directory Management
  • Updating the DNS
  • Hardware Requirements
  • User Applications
These are only a few elements of migration. Go through the complete guide of Exchange migration checklists for a detailed understanding.
The SysTools Exchange to Office 365 migration tool allows users to migrate from Exchange servers 2010, 2013, 2016, and 2019 to Office 365 accounts. In the source and destination tab, you just need to select the Exchange Server version and fill in the required details. Then the software will automatically fetch all the user accounts and you can select the respective user accounts to migrate.
When you choose SysTools Exchange to Office 365 migration software, you do not need to worry about the handling of email workload. You just need to choose the mailbox items that you want to migrate, for instance, emails, contacts, and calendars. Then the software will handle the migration, you can see the progress report on the dashboard itself.
While both of them are manual methods provided by Microsoft, a cutover migration moves all mailboxes at once, on the other hand, a staged migration is done in batches. Both migration methods possess various challenges and shortcomings. However, you can overcome all the limitations of this method by using the above-mentioned tool. The choice depends on your organization's size and complexity.
You can utilize this Exchange to Office 365 migration tool to ensure a smooth user experience. Moreover, you should also communicate with users, schedule migrations during off-peak hours, and provide training if needed to minimize disruption.
Once the Exchange to Office 365 migration is completed, you can run the delta migration to transfer newly arrived data from the source accounts. You can update MX, CNAME, and TXT records in your DNS settings to point to Office 365 servers.
You can configure connectors in Exchange and Office 365 to ensure proper mail flow during the migration period. However, if you use the software then you do not have to perform this task, your email communication remains untouched, and the entire migration runs in the background.
Keep a backup of your on-premises data, monitor mail flow, and migrate all your Exchange On-Premise data to another desired cloud platform. Once satisfied, you can decommission your old Exchange servers.
Yes, you can revert to your on-premises environment if necessary, however, if you have to migrate within the Exchange server environment then you can use the Exchange to Exchange migration tool. Refer to the page for more information.
If you are perform Exchange to Office 365 migration using the manual methods, then there are chances of data loss or errors. In this case, you have to troubleshoot the error by yourself. Which can be tedious to perform. Hence, it is suggested to use the above software to ensure an error-free Exchange to Office migration. Furthermore, if you encounter any error by chance, then the support team is available 24/7 for your assistance.
Exchange to Office 365 Migration Tool – Users Reviews
What Our Clients Say About Our Tool for Exchange to Office 365 Migration
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