FreeViewer Exchange to Office 365 Migration Tool

Proficient Tool to Export Exchange 2013, 2016 On-Premise Mailboxes into Office 365

(Average Rating 4.7 Based on 428 Reviews)
  • Best Utility to Migrate On-Premise Exchange 2013, 2016 to Office 365
  • Support to Export Multiple Exchange Mailboxes Simultaneously
  • Two Data Filters: Category-Based and Date-Range Filter
  • Transfer New Data Without Creating Duplicates on Same Machine
  • Option to Export 200 Mailboxes at Same Time (Concurrent Migration)
  • Allocate Priority to Exchange Mailboxes While Migration Process
  • On Screen Dashboard to View the Real-Time Migration Stats
  • Exchange Server Compatibility: Microsoft Exchange 2013 and 2016
  • OS Compatibility: Windows Server 2016/2012 and Windows 10

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Compatible with All Latest Windows OS

Key Features of FreeViewer Exchange to Office 365 Migration Tool

Free Download Tool to Migrate Exchange 2013, 2016 On-Premise Mailboxes

On-premises Exchange to Office 365

The app contains many features and you can export emails, calendars and contacts from your Exchange mailbox. It supports migration from Microsoft Exchange 2013 and 2016 into Office 365 platform. This program ensures that the user does not lose any data during this process.

Save Folder Hierarchy

The Exchange 2013 to Office 365 migration tool allows users to export mailbox data into the same folder structure as the original account. This feature is useful when users create different folders to easily manage their data and need it in O365 as well.

Concurrent Migration

Many companies need software that can migrate multiple mailboxes at the same time to speed up the process. This Exchange On-Premise into Office 365 migration tool allows users to add multiple service accounts and export up to 200 mailboxes at one time. This requires a highly configured machine with reasonable throughput. The rest is controlled by the tool itself.

Delta Migration

The utility has the ability to transfer data to the destination account that was received when transferring old data. Users only have to perform the incremental migration options available in the tool and can transfer new data without creating duplicates. You just need to ensure that the migration is on the same computer.

Re-Run Migration

Users can also migrate Exchange 2016 to Office 365 again in two scenarios:

  • Repeat failed items: If mailbox items are not migrated during the process, you can try the migration again.
  • Re-run full migration: Select this option if one of the elements is skipped.

Migrate Subdomain Users

This is useful if specific mailboxes have been created in the Exchange subdomain and users will be migrating them. Users can enable this feature when entering Exchange data. The software also includes users from subdomains that facilitate the migration to target accounts.

Fetch Exchange Server User

Fetch Exchange Server with software that can migrate Exchange On-Premise to Office 365 mailboxes, users can get all users from an Exchange server with one click. You can also import the CSV file into a tool that contains a list of source and destination mailboxes. You can download the CSV template from the user interface.

Prioritize Mailboxes

Another useful feature of this Exchange into Office 365 migration tool is that it allows users to prioritize mailboxes that need to be migrated to other mailboxes. In some cases, you may need to transfer the mailboxes of some important users before others. This feature allows a user to migrate a particular user's mailbox before exporting all other mailboxes.

Export Large Exchange Mailboxes

This advanced tool has many advanced features and can also export large Exchange mailboxes. Some utilities include mailbox size limit migration, but the software does not enforce mailbox size and number limits.


This utility has many features that you can use to export Exchange On-Premise into Office 365. One of these features is a category filter that allows users to select or deselect mailbox items (mail, calendar, contacts) depending on their selection. This can save you a lot of time during the whole process.

Exchange to Office 365 Migration Software Specifications
Free Trial Version of the Tool to Migrate Exchange On-Premise 2013, 2016 into Office 365 Cloud
  • Size: 85.3 MB
  • Version: 5.1.2
  • Processor: Minimum 2.2GHz Processor (Recommended)
  • RAM: 8 GB
  • Hard Disk Space: 5 GB


Trial Limitations

Download Exchange 2016, 2013 to Office 365 Migration tool for free and migrate data from 2 user accounts using demo version.

Application Pre-Requisites

Product Guides

Installation Uninstallation User Guide

Supported Versions

Microsoft Windows: Windows 10(32-bit or 64-bit), 2012/2016 (32-bit & 64-bit) Microsoft Exchange Server: 2016, 2013
Exchange 2013, 2016 to Office 365 Migrator Order Now
Get an Overview of Software Features – Free vs Licensed Version
FeaturesFree VersionLicensed Version
Entire Exchange to Office 365 Migration
Export Unlimited Exchange Mailboxes
Keep Folder Structure Intact
Prioritize Exchange Users Migration
Option of Concurrent Migration
Provided Support for Exchange 2013, 2016
Migrate Exchange to Microsoft Office 365 2 User Accounts
Frequently Asked Questions

Listed Commonly Asked Questions and Answers

6 Step Guide of Exchange On-Premise into Office 365 Migrator:

  • Step 1: Install & Launch Exchange to Office 365 Migration Tool
  • Step 2: Choose Mailbox Items and Date-Filter under Workload Selection
  • Step 3: Enter Exchange Server Details and click on Validate button
  • Step 4: Provide Office 365 Admin ID and Application ID and Validate them
  • Step 5: Fetch Exchange User Mailbox or Import them via CSV file
  • Step 6: Click on Start Migration button to start the process

Yes, this software does not have a mailbox size limit. Thus, you can export all Exchange 2013/2016 mailboxes of any size.

Yes, this Exchange 2016 to Office 365 migration tool allows you to choose which mailbox items to export and transfer only those items without data loss.

Yes, you can download the software for free and try running it on your system before purchasing the licensed version.

No, this is a safe and secure tool to migrate Exchange mailboxes into Office 365 account and does not save any password or other crucial information of users. You can carry out the entire process securely without any worries.

Either you can fetch all the users from Exchange and then map all the users or you can import a CSV file into tool containing both source and destination mailboxes. The users can download the template of CSV file from tool itself.

What Customers Are Saying

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Working Steps of Exchange 2016, 2013 to O365 Migration Tool
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