We develop ourProducts to meet your needs & solve your problems.

“Now, it’s easier to save your precious time with this Office 365 migration tool that is designed to assist with the simplest user interface.” Managing Director KernelApps

Salient Features

Office 365 data migration to another Office 365 tenant is now flawless, swift, and instant because of its advanced features.

Migrate between two Office 365 tenants

Migrate between two Office 365 tenants You can use Office 365 migration tool to perform a migration between two Office 365 tenants by inputting the source and destination account credentials and mapping the source & destination mailboxes directly. It supports migration of primary mailbox, archive mailbox, and public folder.

Migrate between any Office 365 plans

Migrate between any Office 365 plans There are multiple plans for Office 365, like Business, Business Premium, and Business Essentials. Our Office 365 migrator tool supports each plan, and you can complete the migration between any two plans efficiently.

Migrate Office 365 mailboxes & more

Migrate Office 365 Data Selectively Before starting the migration, you can select/deselect mailbox folders and apply a set of filters like, select item type, include/exclude date, skip previously migrated items, etc. And the migration is completed with the required data only.

Migrate unlimited Office 365 mailboxes

Migrate unlimited Office 365 mailboxes The tool is capable of handling any kind of migration with mailboxes of any size and any number of folders. There is a sample CSV file within the software which you can download and use for bulk migration. It also helps you to achieve a quicker migration.

Quick mapping between Source & Destination

Quick mapping between Source & Destination After adding the source & destination, you can map the source and destination mailboxes with each other. There is a simple drop-down list which shows the available mailboxes. You can select any destination mailbox/public folder/archive mailbox against a source mailbox/public folder/archive mailbox.

Free Demo version for evaluation

Free Demo version for evaluation To learn the functional aspects of Kernel Office 365 Migration, you can download the trial version and run a full migration. It will complete the migration but with only 10 items per folder. Later, you can buy the full version from the website.

What makes the tool different
from others?

Quick and easy migration

Quick and easy migration Allows you to complete the migration in four steps – Add Source, Add Destination, Map, & Migrate.

Direct mapping

Direct mapping Office 365 Migration tool maps the source mailboxes with target mailboxes manually or using a CSV file.

Migration between tenants

Migration between tenants Performs fast migration between two Office 365 tenants without any loss of data.

Delegate Impersonation Rights

Delegate Impersonation Rights Allows you to provide impersonation rights to user mailboxes for bulk migration.

Filters data before migration

Filters data before migration Migrate specific items with filters like Date Range, Item Type, Selection/Exclusion options, etc.

Migration Report

Migration Report Complete migration report after Office 365 migration, depicting the status of each mailbox item.

Migration Report

Minimalistic user-interface Office 365 Migration software offers a minimalistic interface showing all the options on the same page. The whole migration will complete in mere 3-4 steps.

Migration Report

Select/deselect folders On the filter page, the user can select or deselect folders manually to get firm control on the migration process. It reduces the overall time required to complete the migration.

Migration Report

Protection of integrity All the data is kept securely during the migration. The hierarchy of all the folders remains the same before, during, and after the migration.

Migration Report

Login assistance On the login page of the software, there is a login assistance section to help in assigning impersonation rights.

Migration Report

Easy migration process The software has an easy migration process to migrate single or multiple mailboxes. The filter options also are simple so that one can do selective migration easily.

Migration Report

No data loss or deletion The advanced algorithms of the software protect the mailbox folder, and not a single bit of information is changed, lost, or deleted.

Know what you can migrate with Kernel Office 365 Migration


Mailboxes Mailbox folders - Inbox, Sent items, Drafts, Outbox, Deleted Items, Contacts, Tasks, Journal Entries, etc.

Items - Email messages, Journal entries, Appointments, Contacts, Distribution Lists, Attachments, Tasks, etc.

Public Folders

Public Folders Folders - Mail-enabled folders, Messages, Calendar, Journal, Notes, Templates, Custom Attributes, etc.

Data - Email messages, Journal entries, Appointments, Contacts, Distribution Lists, Attachments, Tasks, etc.

Meta & Heirarchy

Meta & Heirarchy Metadata - IFrom, To, Subject, Date, Time, Cc, Bcc, etc.

Maintains mailbox hierarchy as it is.

Delegate full access rights to source mailboxes for migration.

Office 365 to Office 365 migration

Office 365 to Office 365 migration Mailboxes, Public Folders, & Office 365 Groups

Consolidation of cloud assets after mergers & acquisitions

Offers mapping between source & destination mailboxes.

Archive Mailboxes

Archive Mailboxes Archive Mailbox folders- Inbox, sent items, Drafts, Outbox, Deleted Items, Contacts, Tasks, Journal Entries, etc.

Data - Email messages, Journal entries, Appointments, Contacts, Distribution Lists, Attachments, Tasks, etc.

Migrates Office 365 Groups & more

Migrates Office 365 Groups & more Office 365 Groups, Shared Mailboxes, etc.

Multiple mailboxes under an administrator account.

Even if email address is different from Mailbox Login ID.


Follow the below steps:
  1. Run the tool and click the Add button in the Select Source section.
  2. Provide the Office 365 credentials of the account. Click the Add button.
  3. Click the Add button in the Select Destination section.
  4. Provide the credentials of the destination account. Click the Add button.
  5. Map the source and destination mailboxes.
  6. Provide appropriate filters and start the migration.
  7. The migration will start and will show the status of each folder.
  8. Get the complete report of migration.
Yes, all attachments, including the PDF files, will be migrated.
No. The data will remain in the source mailbox as the Office 365 migrator tool only copies the data to the destination.
Apart from Office 365, O365 migration tool performs the migration of Exchange and hosted Exchange data. It conducts various migrations like Exchange to Office 365, Exchange to Exchange, and Office 365 to Exchange, for hosted and on-premises deployments.
To automate the migration of multiple mailboxes, you should use a CSV file and enlist the mailboxes in it. It will save you from inputting the credentials of Office 365 mailboxes manually. The process is quite easier and quicker.
The Office 365 migrator tool migrates mailbox items to their specific folders, like emails will go to emails, contacts will go to contacts, and notes will go to notes. However, there is a unique feature in the Filter page where you can choose an option to save all data hierarchy into a new folder.
Microsoft 365 migration tool provides a sample CSV file on the Home page which you can download, and it has following columns which you need to fulfill -
  • Source Office 365 or Exchange Mailbox
  • Source Login Account(administrator@onmicrosoft.com)
  • Source Password
  • Source Server name (retain the default value for Office 365)
  • Destination Office 365 or Exchange Mailbox
  • Destination Login Account (administrator@onmicrosoft.com)
  • Destination Password
  • Destination Server name (Leave it blank for Office 365)
There is a special option on the filter page where you can check the option to exclude the empty folders and the tool will skip all the empty folder automatically.
Mapping is an important activity. If you do not map the mailboxes, then O365 migration tool will show error. You have to map the mailboxes and migrate Office 365 to Office 365 process again.
Yes, all the metadata and properties of mailboxes will be migrated.
You will have to map the source and destination accounts manually.
Yes, you can edit the CSV file and use it many times.
The software supports multi-factor authentication and connects with the account easily.
No preparations are required before the migration.No preparations are required before the migration.

Video Tutorial of Office 365 Migration

Office 365 Migration

Software Prerequisites & Recommendations

About Software

  • Version


Supported Versions

  • Exchange Server

    2019, 2016, 2013, 2010, 2007, 2003, 2000

  • Windows Operating System (both 32-bit and 64-bit editions)

    Windows 365/ 11/ 10/ 8.1/ 8/ 7/ Vista, Windows Server 2003/ 2008/ 2008 R2/ 2012/ 2012 R2

  • Virtual environments

    Microsoft Virtual PC, VMware ESXi Server, VMware ESX Server, Hyper-V Server 2012 R2/ 2012/ 2008 R2/ 2008

  • Office 365 Prerequisites

    Requires Internet Connectivity, NET Framework 3.5 SP1 or later, Windows PowerShell 2.0

System Requirements

  • Hard Disk

    1 GB free storage space for software installation

  • Memory

    8 GB RAM (Recommended)

  • Processor

    Intel® Pentium 4 Class Processor (or higher)

Software Guides

What customers say about

Kernel Office 365 Migration

(5 / 5) 453 Reviews

Now I can easily transfer all data to various Office 365 public folders. It is also highly user-friendly and reliable brand. Our gratitude to the KernelApps team.


The software puts deep filters on mailboxes where you can manually choose the necessary folders and skip remaining ones as well as exclude empty and deleted folders too. It reduces the overall migration period.


Simply awesome too for tenant to tenant Office 365 migration. It has no limitations. Also good support service.

1 > Last
Share your review