Act 1
DIY migrations risk downtime, data loss, and angry users
Cutover without specialists leads to DNS mistakes, throttling, and failed syncs. Business continuity suffers when email stops flowing.
0downtime target on managed programs
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Offering the fastest and secure way to migrate mailboxes quickly. Zero downtime, no data limits, tool-assisted and manual migrations, fully managed end to end — with post-migration support.
Email migration with zero downtime.
Microsoft 365 ↔ Google Workspace
Exchange, Notes → M365 / Workspace
Fastest, secure mailbox migrations — fully managed end to end.
10+ years migration experience — get a free quote, save up to 50%.
3,000+ mailboxes migrated in 90 days
200+ Clients worldwide · 350+ Projects shipped
Why Spectrum
Migration paths
Certified migration specialists for on-premise, hosted, Microsoft 365, and Google Workspace — with minimum effect on business continuity.
Migrate email running on hosted Exchange, Lotus Notes, or other legacy systems to Microsoft 365, Google Workspace, and modern cloud platforms.
Migrate between Microsoft 365 and Google Workspace with minimum impact on business continuity — guided by certified migration specialists.
Migration is not complete without device configuration. We assist end-user deployment via desktop sharing tools and onboarding to the new platform.
The migration story
Structured waves, coexistence, and hypercare — so IT and users experience zero-surprise cutover.
“Migration is not complete until every user is productive on the new platform.”
Cutover without specialists leads to DNS mistakes, throttling, and failed syncs. Business continuity suffers when email stops flowing.
Free quote
Tell us your source and target platforms, mailbox count, and timeline. We respond within one business day with a migration plan and quote.
Migration focus
Your path · details to migration quote
Share migration details
Migrate from/to (on-prem, O365, Google Workspace), mailbox count, constraints.
Assessment & plan
Wave design, coexistence, DNS, and tooling recommendation.
Quote & schedule
Fixed-scope quote and kickoff — within one business day.
What you walk away with
Delivered within one business day — no obligation.
Save up to 50% — share your migration details and we respond within one business day.
Case study
Migrated an existing mail environment with around 3,000 accounts from Google Workspace to Microsoft 365 due to platform requirements — completed in 90 days with 0% data loss targets and minimum business disruption.
At a glance
Years migration experience
Mailboxes in largest program
Days for enterprise GWS→M365
Downtime target
Quote turnaround
End-to-end managed option
Client benefits
Cutover planning that keeps email flowing for your business.
Tool-assisted throughput scaled to your mailbox volume.
End-to-end program — not a tool-only handoff.
End-user deployment so migration is truly complete.
Hypercare after cutover until stability is proven.
Questions
We design migrations for zero downtime using coexistence, staged waves, and rehearsed cutovers. Exact approach depends on your source and target platforms and mailbox complexity.
Yes. Cloud-to-cloud migrations between Google Workspace and Microsoft 365 are a core capability — including large programs with thousands of mailboxes.
Yes. We migrate from hosted Exchange, Lotus Notes, and other legacy systems to Microsoft 365, Google Workspace, and modern hosted email.
Yes. End-user deployment is part of a complete migration — we assist via remote sessions and onboarding guides so users reach the new platform productively.
We use tool-assisted and manual methods with no arbitrary data limits — programs are scoped based on your mailbox count, size, and timeline.
Depends on scale. Our 3,000-mailbox Google Workspace to Microsoft 365 program completed in 90 days with structured waves and governance throughout.
Yes. Post-migration support and hypercare are included in fully managed programs until validation and user stability are achieved.
We respond within one business day after you submit your migration details — source, target, and mailbox count.
Email migration
On-premise to Microsoft 365 or Google Workspace, cloud-to-cloud moves, and end-user deployment — tool-assisted, fully managed, post-migration support.
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