Move from on-premises Exchange Server to Exchange Online using Microsoft hybrid configuration. Staged mailbox moves, full coexistence, and zero user downtime — handled by certified Exchange engineers.
On-Premises → Cloud
Exchange On-Premises
2013 / 2016 / 2019
Exchange Online
Microsoft 365
Hybrid is the Microsoft-recommended path for organizations moving from on-premises Exchange to the cloud.
Users never lose email access. Mailboxes move in the background while email continues flowing normally.
On-premises and cloud users collaborate normally — shared calendars, free/busy, mail flow all work across both environments.
If issues arise, mailboxes can be moved back to on-premises Exchange without data loss or reconfiguration.
Move users in waves over weeks or months. IT teams validate each wave before proceeding to the next.
Single admin console for both environments during the transition period. No dual management burden.
Hybrid Configuration Wizard is Microsoft's official path for on-premises to cloud Exchange migration.
Every hybrid migration follows the same proven methodology.
Inventory your Exchange environment: server versions, mailbox sizes, DAG configuration, third-party integrations, compliance requirements, and network topology.
Run the Hybrid Configuration Wizard, set up Azure AD Connect for directory sync, configure mail flow connectors, and establish the organization relationship.
Migrate a pilot group (IT team first) to validate end-to-end functionality: mail flow, Outlook connectivity, mobile access, calendar sharing, and delegate permissions.
Migrate remaining users in staged batches. Each batch runs a pre-stage sync followed by a final delta sync during an off-hours cutover window.
Update MX records to point to Exchange Online, remove hybrid configuration, decommission on-premises Exchange servers after 30-90 day buffer, and provide documentation.
Complete mailbox, calendar, and contact migration with full data integrity.
Scope-based pricing tailored to your Exchange environment complexity.
Custom scope-based pricing
Pricing depends on mailbox count, server version, DAG complexity, and compliance requirements
Organizations that trusted us with their Exchange hybrid migration.
"We had Exchange 2016 with 340 mailboxes and a complex DAG setup. Workspace Migration ran the hybrid config, did a pilot with our IT team, then moved everyone in waves over 3 weeks. Not a single user complained — that never happens in IT."
"Our on-prem Exchange 2019 environment was holding us back from rolling out Teams properly. The hybrid migration took 5 weeks total. They handled the Azure AD Connect, the HCW, and every mailbox batch. We finally have a modern cloud setup."
"We were terrified of migrating 800 mailboxes from Exchange 2013. The team planned everything in detail, ran a 2-week pilot with 20 users, then executed the full migration over 6 weeks. Zero data loss, zero downtime. Incredible professionalism."
Everything you need to know about Exchange hybrid migration.
Exchange Server 2013, 2016, and 2019 with the latest cumulative updates support hybrid configuration. Exchange 2010 ended support in October 2020 and requires an upgrade before establishing hybrid.
A typical Exchange hybrid migration takes 4-8 weeks end-to-end. Setup and configuration takes 1-2 weeks, pilot migration takes 2-3 days, and migrating remaining mailboxes takes 2-4 weeks. Large enterprises may need 8-12 weeks.
Yes — phased migration is recommended. We migrate in waves: IT team first, then early adopters, then departments, then remaining users. This allows time for validation and feedback between waves.
Yes. Microsoft recommends keeping at least one Exchange Server for management purposes after migration. Certain tasks like updating proxy addresses still require Exchange tools. Decommission after 30-90 days of stable Exchange Online operation.
No. Hybrid migration is designed for zero downtime. Users continue working normally. The only brief interruption is a 15-30 minute final sync window when Outlook reconnects to Exchange Online.
Shared mailboxes and distribution lists are migrated alongside regular mailboxes. We ensure all permissions, delegates, and memberships are preserved during the transition to Exchange Online.
Yes. Many organizations have on-premises Exchange coexisting with a Microsoft 365 tenant. We coordinate both: migrating on-prem mailboxes to Exchange Online while managing the tenant-to-tenant move using the correct batch approach for each.
All engagements include 30 days of post-migration support at no extra cost. This covers Outlook reconfiguration issues, permission problems, and any items that need follow-up. A dedicated engineer handles your case — not a generic helpdesk.
Complete technical guide to hybrid configuration, staged batches, and post-migration tasks.
Already in the cloud but need to move tenants? We handle that too.
Learn how we use third-party tools alongside native hybrid for complex scenarios.
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