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3rd Party Support
Microsoft · Microsoft Exchange Server → Microsoft 365 / Exchange Online · Migration

Your Exchange to M365 Migration – Delivered by Senior Engineers

Yes, migrating from Microsoft Exchange Server to Microsoft 365 / Exchange Online is a well-understood project. Our senior engineers handle complex hybrid configurations, mailbox archiving, and identity sync seamlessly.

Get My Free AssessmentNo obligation. 48-hour turnaround.

Get My Free Assessment

No obligation. 48-hour turnaround.

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Powered by the 3PS Migration Engine

The lowest-cost way off Microsoft Exchange Server: our migration tooling automates the repetitive work —you pay senior engineers for judgment, not keystrokes.

Automated discovery
Your Microsoft Exchange Server estate mapped — workloads, dependencies, licensing — before day one
Conversion tooling
Schema, config and workload translation to Microsoft 365 / Exchange Online, automated where it's safe
Parity validation
Side-by-side testing proves Microsoft 365 / Exchange Online matches production before cutover
Runbook cutover
Rehearsed, reversible, scheduled in your maintenance window
40–70%
Savings on legacy support
3–9 months
Typical timeline
2–5
Senior consultants per project

How we support Microsoft Exchange Server → Microsoft 365 / Exchange Online after migration

  • Fixed-scope migration projects, no budget surprises.
  • Senior platform engineers handle your complex hybrid setup.
  • Seamless migration of public folders and transport rules.
  • Legacy Exchange stays under vendor support during migration.
  • Post-migration M365 tenant administration available.
  • 40-70% savings on legacy support while you plan the move.

Complex Exchange Architecture

Legacy public folders and complex transport rules stalling your move?

Archiving Integration

Third-party archiving tools like Enterprise Vault creating migration headaches?

Relay Dependencies

Hardcoded SMTP relay devices breaking during cutover?

Microsoft Exchange Server → Microsoft 365 / Exchange Online migration — your questions answered

What if our Microsoft support renewal lapses during migration?+

Our third-party support covers most operational issues on your legacy Exchange, so you can continue migrating without pressure to pay a full renewal. (Note: vendor patches not included.)

How do you handle legacy public folders?+

We include public folder migration in our fixed-scope projects, ensuring all permissions and content move seamlessly.

What is the typical timeline for an Exchange to M365 migration?+

Most projects complete in 3–9 months, depending on complexity, with 2–5 senior engineers assigned.

Do you provide support after migration?+

Yes. We offer M365 Tenant Administration and Secure Managed Email Service for ongoing management and security.

Start Your Free Hybrid Migration Readiness Assessment Today

Start your move with a free hybrid migration readiness assessment. Our senior engineers will evaluate your current Exchange environment, identify blockers, and deliver a fixed-scope plan – no surprises, no pressure.

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