SysTools Exchange to Office 365 Migration Tool

Exchange On Premise to Office 365





Important Note: Are you looking to migrate Exchange 2010, 2007, 2003 to Office 365?

This is the top rated utility by Exchange Administrators and technical experts worldwide. It is a secure & reliable Exchange Server to Office 365 Migration Tool that has Migrated Over 1 Million Mailboxes Successfully.

(Average Rating 4.4 Based on 401 Reviews)
  • Option to Export Exchange On-Premise User Account Data
  • Support for Multiple Users Migration Simultaneously
  • Option to Transfer Newly Arrived Data using Delta Migration
  • Date & Category Based Filter to Transfer Important Data Only
  • Option of Concurrent Migration to Improve Efficiency
  • Inbuilt Dashboard to Check Status of Ongoing Migration Process
  • Re-Run Migration if any item was Skipped or Failed during Process
  • Map Source & Destination User Mailboxes and Import CSV File into Tool
  • Include Sub-Domain Option to Migrate Data from Sub-Domain Users
  • OS Compatibility: Windows Server 2012, 2016 Windows 10 & 11 (64-bit)

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

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Our Achievments Over the Last Few Months!


674 Million+



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Why Users Trust SysTools Exchange to Office 365 Migrator

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 Tool

Re-Run Migration – The Exchange On-Premise to Office 365 migration tool possess another useful feature i.e. Re-Run Migration. It offers three different options:

Retry Failed Items: This feature helps in cases if some mailbox items were failed during the migration task. Using this option can transfer those items as well.

Re-Run Full Migration: Users can also use this feature if any mailbox items were skipped or left due to any possible reasons. This feature will scan the complete mailbox and migrate them if they were not transferred in first place.

Delta Migration: This option comes into use when you want to transfer same mailbox data again. It will only export the newly arrived data instead of all data. Make sure that you are using same machine while using this feature.

Users Mapping

Track Real-Time Progress – This Exchange 2010, 2013, 2016, 2019 to O365 migration software enables users to keep a track of export process within the software panel. It displays the real-time progress of the migration job with the count of Emails, Contacts and Calendars that are being migrated. Moreover, there are two views to track migration progress i.e. List View and Tile View. To perform migration, you need to perform the following steps:

  • Step 1: Launch Exchange to O365 Migration Tool.
  • Step 2: Select Categories Under Workload Selection.
  • Step 3: Enter Exchange Server & Microsoft 365 Details.
  • Step 4: Start Exchange On-Premise to M365 Migration

List View

Keep Track of Ongoing Exchange to Office 365 Migration Tool

To keep track of the migration process in a better way, the software displays the live process status in three steps i.e. "Pending, Processing, Completed". You can also get insight of the all the transfer process in "All" tab.

Exchange to Office 365 Migration Tool – Salient Features

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

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Transfer All Items

Migrate Exchange to Office 365 in a Right Way

This application is advanced enough to export 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 Migration Process

Export Exchange Users Quickly

Exchange 2016 to Microsoft Office 365 migration tool makes the whole process effortless and hassle-free. It enables users 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 might differ as it depends upon Machine Configuration, Internet Speed as it is divided across users.)

Maintain Folder Hierarchy

Preserves Original Folder Structure

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

No Constraint On File Size

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, 2010, 2007 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: Users can also download the CSV template from tool and mention the users. Tool will add only the mentioned users for migration.

Re-Run Exchange Migration

Re-Run Exchange 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 duplicates.
  • Delta Migration: Migrate newly received items that came before switching to new platform.

Stop & Start Migration

Stop & Start Migration

This application to migrate Exchange to O365 provides users with an option to stop the migration process whenever required. This feature proves to be useful if you make any mistake and want to stop it in between. Once you fix that mistake, then you can start the migration again.

Include Sub-Domain Users

Include Sub-Domain Users as Well

Another useful feature of the application is that it enables users to migrate data from sub-domain users available in Exchange Server. It is an optional feature in Exchange to Office 365 migration tool. So, if the users want to include those sub-domain users as well, then they can enable the checkbox while entering Exchange Server details.

Facility of Set Priority Option

Prioritize Exchange User Accounts

SysTools Migrator enables users 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 of Selective Exchange 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 date-filter to move data from a specified date range.

Provide Activity Log Report

Generate a Complete Log Report

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

Live Monitoring

Live Export Progress Report

Users can check the live status of export process and track the users accounts migration through the user-friendly interface. The software displays the transfer progress in three stages i.e. Pending, Progress and Completed. Moreover, users can also check all the ongoing processes from All Tab.

Specifications for SysTools Exchange Server to Office 365 Migration Tool

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

Software Download

Size : 132 MB

Version : 6.3.1

MD5 : 7f66ba548bc2133b581db672e175f88d

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 & 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.
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      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

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


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

Follow Below Steps to Migrate Exchange Mailbox to Office 365:

  • Step 1. Download & Run Exchange to O365 Migration Tool
  • Step 2. Select Mailbox Items & Apply Date Filter
  • Step 3. Enter Admin Credentials for Both Platforms
  • Step 4. Validate Permissions & Fetch Users
  • Step 5. Hit Start Migration Button

The software does not force 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 has an additional category-based filter using which users can easily select and choose the mailbox item(s) which they want to export from Exchange to Office 365 account. Moreover, there is a date-based filter as well.
Choosing this software for Exchange mailboxes to O365 migration gives you the option to export your entire data which includes emails, calendar, contacts without any data loss. Being a large organization, the whole process can be completed without affecting your work.
Yes, you can use this utility to export single or multiple Exchange mailboxes without any data loss.
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 from 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 Mailbox to Office 365 Migration – Users Reviews
What Our Clients Say After Migrating to Office 365 from Exchange 2019, 2016, 2013, 2010, 2007
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