Effortlessly handle all your migration needs, including cloud-to-cloud (e.g., Gmail to Zoho, GoDaddy / Zoho to Office 365), IMAP to IMAP, and file (PST, OST, EML, MSG) to Office 365 migrations. Securely transfer your email messages and run multiple migration projects simultaneously for fast, reliable migration without data loss.

Download the Email Migrator demo version & migrate 50 items (PST/OST) & 100 items (IMAP Server) per folder for free.
Migrate offline files (OST, PST, MSG, EML) to an online Office 365 server.
Perform migration between any two IMAP-supported email servers.
Simplify the process of Gmail to Zoho or Zoho to Gmail migration.
Direct email migration from GoDaddy, Gmail, Zoho to any Office 365 tenant.
Batch migration available with multiple jobs running simultaneously.
Accurate email data migration with UNICODE character support.
Precisely control your email migration with data and date-based filters.
Preserves email metadata like From, Subject, CC, To, etc., during the email migration.
Schedule feature to manage migration on an immediate, daily, weekly, or monthly basis.
Smart incremental migration feature to skip duplicate data migration.
Powered with modern Graph API architecture for fast & secure email migration.
Get detailed migration reports and real-time migration details to validate email transfer.

What’s New in Kernel Email Migrator

Implemented a multi-threading architecture to migrate multiple users together.
New & improved interface optimized for performance and faster response time.
Added support for new source & destination servers to extended email migration.

190+ COUNTRIES WORLDWIDE

20 YEARS' EXPERIENCE

24x7 CUSTOMER SUPPORT

End-to-End Migration Solution for All Major Platforms

Our Email Migration Tool allows you to execute effortless migration between any email server. Explore a few major migration routes that our tool covers:

OST to Office 365 Migration PST to Office 365 Migration

EML to Office 365 Migration MSG to Office 365 Migration

Gmail to Office 365 Migration Zoho to Office 365 Migration

Gmail to Zoho Migration Zoho to Gmail Migration

GoDaddy to Office 365 Migration IMAP to IMAP Migration

IMAP to Office 365 MigrationWebMail to Office 365 Migration

Reliable Email Migrator: Check Out Its Top-Rated Features

Dive into our tool's core capabilities that provide solutions for all email migration problems.

Migrate Email File to Office 365

Transfer PST & OST to Office 365 or move individual emails, MSG or EML to Office 365. Our Email Migrator tool can migrate files directly from your local storage to the cloud.

Universal Cloud Email Migrator

Perform Gmail to Office 365, Zoho to Office 365, etc., online email migrations. Additionally, you can transfer emails between any IMAP-supported source and destination.

Move Emails Between Gmail & Zoho

Migrate from Gmail to Zoho and Zoho to Gmail using the bi-directional migration capabilities of the tool. Run both the migrations individually or simultaneously as per your needs.

Bulk Mailbox Migration

Migrate multiple mailboxes (user, shared, or archive) with our Email Migration Tool. Create and run multiple migration jobs simultaneously for faster batch email migration.

Maintains Folders Hierarchy

Transfer your mailboxes with default & user-created folders in the original folder hierarchy. The tool also allows you to save complete mailbox data in a new separate folder.

Automate Email Migration

Configure multiple migration jobs to run automatically on a daily, weekly, or monthly basis. You can schedule transfers between the same or different sources and destinations.

Comprehensive Migration Report

The tool auto-generates reports of all migration jobs that you can save on the local system in CSV format. You can also view job details by right-clicking on a job for quick job information.

Automatic User Mapping

Users with the same mailboxes will be mapped automatically by the Email Migration Tool. You can also link the source and destination manually or with a CSV file (having mapping details).

Incremental Email Migration

Save your time and storage with the smart, incremental migration feature. Migrate only new data, updated file versions, or retry failed migration without the risk of creating duplicate data.

Flexible Date-Based Filtering

Optimize migration costs and time with the date range filter. This powerful feature allows administrators to transfer emails for a particular date, week, month, or year.

Selective Email Migration

Avoid irrelevant data with built-in intelligent filters of the Email Migration Software. Include/exclude specific folders and speed up migration by skipping empty & deleted folders.

Free Email Migration Software

Download Email Migration Tool trial version and migrate your emails for free.

For Offline File Migration: Move the OST / PST file with 50 items per folder, and for EML / MSG, you can move up to 50 files for free.
For Gmail, Zoho, and Other IMAP Email Migration: Migrate 100 items per folder for every user.

Advantages of Our Email Migration Tool

Still wondering why to download Email Migration Tool. See what makes this tool different.

Live Migration Status

Get real-time updates from the Email Migrator dashboard. The live email migration functionality makes tracking the data transfer process super convenient.

User-Friendly Interface

Turn the challenging task of email migration into a simple one. Easy-to-access interface & robust performance make Kernel Email Migrator the best Email Migration Tool.

Preserves Integrity & Folder Hierarchy

Get identical data in the source & destination. Our best Email Migration Tool retains original metadata while preserving the folder hierarchy and structure.

Secure Office 365 Connection

Our Email Migrator provides a secure environment to migrate emails to different Office 365 tenants. Connect safely to the Office 365 account using modern authentication.

Robust Data Privacy & Compliance

Data privacy is our highest priority. Our tool strictly follows all data protection guidelines and regulations, ensuring your email data remains secure and confidential.

No Size Limitation

Transfer emails from offline files or email servers without worrying about the size limit. The Outlook Email Migration Tool can move large offline email files and massive mailboxes from the cloud with zero data loss.

Upgrade Your Email Migration Tool: Feature Breakdown

Ready to take the Email Migrator to its full potential? Download Email Migration Software full version. Check out the table below to understand everything you get with the licensed version.

Frequently Asked Questions (FAQs) - Kernel Email Migrator

What are the steps to migrate emails to Office 365 or other destinations?

Follow these steps to migrate emails from multiple sources to different destinations quickly.

Step 1: Download, install and open the Email Migration Software.

Step 2: Click on Add Project and provide a project name.

Step 3: Click on the newly created project name. Then, click the Add Job button from the menu.

Step 4: Select the migration type and provide the Job Name. Click Next.

Step 5: Configure the source and the destination by inputting valid credentials.

Step 6: Map the source mailboxes to the destination mailbox and click Next.

Step 7: Apply filters and click Next to begin the email migration.

Can I migrate large volumes of data from multiple mailboxes simultaneously?

Absolutely. Kernel Email Migrator is a top-quality tool designed for scalability. It can easily migrate large-size mailboxes from your offline files or online email servers. With the powerful algorithms embedded in the tool, you can run multiple migration processes simultaneously. This significantly speeds up the overall migration process.

How many sources and destinations does the Email Migration Tool support?

Being the best Email Migration Software, it supports multiple sources and email server destinations like:

Sources: Offline email files (OST, PST, EML, MSG) along with Gmail, Zoho, and all IMAP-supported email servers.

Destinations: All major email providers like Office 365, Gmail, Zoho, along with all IMAP-supported email servers.

Can the tool migrate emails from Gmail to Office 365?

Yes, with ease. This Email Migration Tool is capable of easily migrating mailboxes from Gmail to Microsoft 365. Additionally, you can also transfer emails from various other platforms like Thunderbird, Apple Mail, Outlook, eM Client, etc., to Office 365.

Is there a demo version available to try the tool’s features?

Yes, the Kernel Email Migrator has a trial version available. Free download Email Migration Software and try all the premium features at zero cost. The demo version allows the migration of 50 items per folder in PST/OST files and 50 EML/MSG files. For server-to-server migration, the limit is 100 items per folder for every user.

Can I perform a migration between any two email servers that support IMAP?

Yes. The IMAP-to-IMAP migration option allows you to transfer mailboxes between any two source and destination email servers that are IMAP-enabled. You can also use it for bi-directional migration, like moving from Gmail to Zoho or Zoho to Gmail.

What connection mode does Kernel Email Migrator use to connect to Office 365 & other servers? Is it reliable?

Yes, the tool is 100% reliable and trustworthy. Security is our top priority, and to maintain it, our Email Migration Software uses modern authentication to connect to the target Office 365 account. Be it Office 365, Gmail, Zoho, or any IMAP server, our tool provides a secure platform to migrate large volumes of mailbox data with no data loss.

What is migrated when moving Gmail to Zoho or GoDaddy to Office 365?

The tool makes sure to transfer all essential mailbox data, including emails, attachments, and the complete folder/label structure. It also preserves read/unread status, timestamps, subject, and sender/recipient information with the original folder structure.

What is the best Outlook Email Migration Tool?

Kernel Email Migrator supports all Outlook email file types. Be it OST, PST, or MSG, our tool can handle it all. It’s a standalone tool to migrate all your emails, contacts, calendars, tasks, and folders directly to your Office 365 account. The tool’s capability to perform lossless migration while preserving all metadata makes it the best Email Migration Tool.

Kernel Email Migrator Software

Prerequisites & recommendations

About Software

Version: 25.1

Release Date: Nov 2025

License Type: Home, Corporate & Technician

Version Support

Office 365 (Microsoft 365): All plans, including Office 365 (Microsoft 365) Enterprise E1, E3, E5 & Exchange Online Plan 1, 2, Microsoft 365 Business Premium, Office 365 A1, Office 365 A3, Office 365 A5, Office 365 F1, and Office 365 Business Essentials.

Google Workspace: All plans and subscriptions for Google Workspace, Business, Enterprise, Essentials, Frontline, Individual, and Education.

IMAP Email Server: All IMAP servers, including Gmail, Microsoft Exchange Server, Zimbra, Dovecot, Courier Mail, Outlook/Hotmail, Yahoo Mail, Proton Mail, Bluehost, GMX Mail, Yandex Mail, FastMail, Mail.ru, Apple Mail Server, iCloud Mail, AOL Mail, Cyrus IMAP, MailEnable, hMailServer, Mail-in-a-Box, Apache James, Citadel, Kolab Groupware, MDaemon Email Server, Modoboa, Zentyal, Zoho Mail, Company IMAP Account, etc.

MS Outlook: Outlook Office 365, 2021, 2019, 2016, 2013, 2010, 2007, and earlier versions

System Requirements

Hard Disk: At least 500 MB for installation and 5 GB of free space for storing data and logs.
RAM: Minimum 128 MB (512 MB recommended for best performance)
Processor: Intel® Pentium Processor compatible (x86, x64) or equivalent
Operating System: Windows 365, 11, 10, 8.1, 8, 7, Vista, XP, 2000, 98, NT and 95 and Windows Server 2022, 2019, 2016, 2012, 2008 R2, 2008, 2003 R2, 2003
Prerequisites: Requires Internet Connectivity, .NET Framework 4.6 or later, Microsoft Visual C++ 2015-22022 Redistributable (x86)

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