Most Trusted Software
Migrate emails, mailboxes, and archives effortlessly with a powerful email migrator trusted by IT teams & MVPs worldwide. It enables secure email data migration from any source to Microsoft 365, Google Workspace, and other cloud platforms with zero downtime.
![]()
Trusted by 5.7M+ IT Professionals and Enterprise Teams for Reliable Email Migration Services
3M+
Mailboxes Migrated
99.99%
Success Rate
150+
Countries Served
24x7
Expert Support
Featured In
Choose your source and destination platforms to start your migration journey. Select the services you want to migrate between and quickly discover the right Email Migrator
Popular Migration Paths
Office 365 to Office 365 Migration
Perform seamless Office 365 tenant to tenant migration while preserving mailbox permissions, folder structure, shared mailboxes, and user mappings across organizations.
Exchange to Office 365 Migration
Move on-premise Exchange environments to Microsoft 365 with full mailbox synchronization, minimal downtime, and secure transition to the cloud.
Lotus Notes to Office 365 Migration
Seamlessly migrate IBM Lotus Notes mailboxes to Office 365 while preserving emails, contacts, calendars, attachments, and folder hierarchy.
G Suite to Office 365 Migration
Transfer Gmail mailboxes, contacts, calendars, and attachments from Google Workspace to Office 365 with secure and accurate data migration.
SharePoint Migration
Migrate SharePoint sites, document libraries, lists, permissions, subsites, files, folders, documents and metadata to SharePoint Online or between SharePoint tenants.
Microsoft Teams Migration
Transfer Microsoft Teams data, including channels (both private and public), conversations, files, and permissions across tenants or accounts without losing collaboration history.
Everything You Need to Perform Efficient Email Migrations Across Platforms While Maintaining Complete Mailbox Integrity
Zero Downtime Migration
Ensure uninterrupted communication throughout the entire migration process. The cloud migration tool performs migrations in the background while users continue accessing their mailboxes without disruption.
Modern OAuth 2.0 Security
Authenticate securely without exposing user credentials. The email migration tool supports modern OAuth authentication for Microsoft 365 and Google Workspace. This ensures secure authorisation through trusted identity providers and protects mailbox data during the migration process.
Complete Mailbox Migration
Migrate entire mailboxes, including emails, contacts, calendars, attachments, folders, and metadata, without losing data integrity or mailbox structure. Ensures complete and reliable mailbox transfer.
Selective Workload Transfer
Choose specific mailbox components such as emails, contacts, and calendars to customise your migration scope and minimize the time of mailbox migration.
Smart Migration Filters
Use advanced filtering options to migrate only the data you need based on date range, folder selection, or user accounts. Moreover, use the Delta migration option to move only newly arrived data, without restarting the entire migration, while ensuring previously migrated data remains unchanged.
Detailed Migration Reports
After migration completes, it generates two reports, i.e. summary (includes an overview of the procedure) and a detailed CSV report (showing every migrated email, item, and file).
Compare which mailbox data types can be migrated between Google Workspace, Microsoft 365, Exchange Server, IMAP, Zimbra, and Lotus Notes (HCL Notes)
| Data Type | Google Workspace | Microsoft 365 | Exchange | IMAP | Zimbra | Lotus Notes |
|---|---|---|---|---|---|---|
| Emails | ||||||
| Attachments | ||||||
| Folder Structure | ||||||
| Contacts | - | |||||
| Calendars | - | |||||
| Additional Calendars | - | - | - | |||
| Shared Mailboxes | - | - | - | |||
| Room & Resource Mailboxes | - | - | - | |||
| Mailbox Permissions & Delegates | - | - | - | |||
| Inbox Rules | - | - | ||||
| Tasks | - | - | ||||
| Archives | - | - | - | |||
| Litigation Hold | - | - | - | |||
| Public Folders | - | - | - | - | - | |
| Email Metadata / Attributes |
Follow a Simple Four-step Workflow to Securely Migrate Mailboxes, Emails, Contacts, Calendars, and Attachments Without Downtime
01
Launch the Email Migrator
Download and open the email migration software, then select both the source and target platforms, like G Suite to Microsoft 365.
02
Configure Source & Destination Platforms
Enter the required credentials and connect both the source and destination environments to establish a secure migration connection.
03
Select Mailbox Data & Apply Filters
Choose the mailbox items to migrate such as emails, contacts, calendars, and attachments. Apply filters if needed.
04
Map Users & Start Migration
Create user mailbox mappings between source and destination accounts, validate the configuration, and start the migration process.
Migration Solutions for Every Business Need
Self-Service Migration
Use the email migration tool to securely migrate emails and mailboxes between platforms. Configure the migration settings and perform the process
Read More...
Managed Migration Service
Let our migration specialists handle the entire migration workflow for you. Our experts plan and execute the migration to ensure a smooth and secure transition with minimal disruption
Read More...
Plan and Execute Email Migrations With Complete Control
Built to Solve Real Migration Challenges
ExpressMigrator
Professional Email Migration Services for Businesses
Let our migration specialists manage the entire email migration process for you. Ensure a secure and seamless transition across platforms including Exchange, Microsoft 365, Google Workspace, IMAP servers, and more.
Trusted by IT Professionals Worldwide
We recently used ExpressMigrator Email Migration Tool during a tenant consolidation project involving more than 1200+ mailboxes. The software handled mailbox transfers with minimal intervention, and we were able to monitor the progress clearly through the reporting dashboard. Its bulk migration option will help to complete the entire migration in the expected time. My team and I are very happy with its fast performance.
Daniel P. - Infrastructure Manager
United States
Our organisation had to migrate the complete mailbox data from G Suite accounts into Microsoft 365. After testing several tools, we decided to opt for ExpressMigrator. This Email Migrator allowed us to manage migrations in stages. The tool helped us move emails without affecting the existing folder structure and ensured that all important messages were transferred safely. We were also able to migrate multiple user accounts in bulk smoothly without data loss. Highly recommended to who are wondered a reliable solution to migrate data from one platform to another.
Laura M. - IT Operations Lead
Canada
With ExpressMigrator, the migration process became much easier to handle. We quickly set up the source and destination accounts and started moving the data hassle-free. The Email Migration tool transferred mailboxes smoothly, even when we migrated large amounts of data at once. What I liked most was that it worked as a reliable solution for moving important email data from one platform to another.
Michael R. - Systems Administrator
United Kingdom
During our recent migration from Exchange Server to Microsoft 365, we needed a solution that would allow us to handle hundreds of mailboxes without creating downtime for employees. ExpressMigrator helped us complete the migration with very little disruption. It transferred emails, folders, and other mailbox items safely while maintaining the original structure. In the end, the entire migration was completed smoothly, and users were able to access their data in Microsoft 365 without any issues.
Sophia K. - IT Infrastructure Specialist
Germany
We were responsible for moving email environments across departments during a corporate restructuring, and the ExpressMigrator Email Migration tool handled the complexity effectively. It allowed us to migrate multiple mailboxes without confusion. The tool also maintained the original folder structure and ensured that emails were transferred safely. Because of this, employees were able to access their mailbox data in the new environment without any problems. A huge thanks to ExpressMigrator for designing this wonderful product.
David T. - Enterprise IT Manager
Australia
Frequently Asked Questions
ExpressMigrator supports migration between several popular email environments, including Microsoft 365, Exchange Server, Google Workspace, IMAP-based servers, Zimbra, and Lotus Notes (HCL Notes). It allows organisations to migrate from legacy email systems to modern cloud platforms efficiently.
Yes. ExpressMigrator Email Migration Tool supports bulk mailbox migration to transfer multiple user mailboxes in a single migration project. This is useful for organisations planning large-scale migrations involving hundreds or thousands of accounts.
The migration process disrupts users minimally. In many migration scenarios, administrators can continue transferring data in the background while users maintain normal access to their email accounts.
Yes. ExpressMigrator allows administrators to configure migration settings and apply filters to transfer only selected mailbox data. This helps organisations migrate specific folders, users, or time ranges according to their requirements.
Before starting a migration:
Proper preparation ensures a smoother migration process and reduces hassles.
In addition, ExpressMigrator is compatible with every email provider supporting IMAP!