Artemis & Apollo IT Solutions

Microsoft 365 Tenant-to-Tenant Migration

Moving between two Microsoft 365 tenants — email, SharePoint, Teams, OneDrive, and more — handled from start to finish.

Tenant-to-tenant migrations are among the most complex Microsoft 365 projects a business can undertake. They arise from acquisitions, mergers, rebranding, divestitures, or a need to consolidate multiple Microsoft 365 environments — and they involve moving not just email, but SharePoint, Teams, OneDrive, user accounts, and all the configurations that tie them together.

Without proper planning, tenant-to-tenant migrations result in broken email flow, lost SharePoint permissions, missing Teams history, and weeks of disruption. We manage the full process for Canadian businesses — planning, coordination, execution, and validation — so the transition lands cleanly on the other side.

Who Is This Service For?

  • Businesses that have been acquired and need to move into a new parent company's Microsoft 365 tenant
  • Organizations going through a merger that requires consolidating two separate Microsoft 365 environments
  • Companies rebranding and needing to move to a new domain and tenant
  • Businesses splitting off from a parent organization and setting up their own tenant
  • IT teams that need expert support managing a migration they don't have the bandwidth to run themselves

What's Included

Migration Planning & Assessment

  • Source and destination tenant assessment
  • Scope definition — what's being moved and what stays
  • Migration timeline and cutover planning
  • Risk identification and mitigation planning

User & Identity Migration

  • User account provisioning in the destination tenant
  • License assignment and MFA setup
  • Admin role review and transfer

Exchange & Email Migration

  • Mailbox migration with full email history
  • Calendar and contact migration
  • Shared mailboxes, distribution lists, and resource calendars
  • Domain transfer and MX record cutover coordination

SharePoint & OneDrive Migration

  • SharePoint site collection and document library migration
  • OneDrive for Business content migration
  • Permission mapping and access control review

Microsoft Teams Migration

  • Teams and channel recreation in the destination tenant
  • Channel conversation history migration where supported
  • Team membership and ownership transfer

Post-Migration Validation

  • Mail flow testing and verification
  • User access confirmation across all workloads
  • Source tenant decommission planning

Recommended Add-Ons

After migration, keep your new tenant secure and properly maintained:

Why Choose Artemis & Apollo?

  • Microsoft 365 tenant-to-tenant migration for Canadian businesses
  • Covers email, SharePoint, OneDrive, Teams, and user identities
  • Structured planning process to minimize disruption
  • Fixed project pricing — no surprises

Ready to Plan Your Tenant-to-Tenant Migration?

These migrations reward careful planning. Let's get yours mapped out properly before a single mailbox moves.

No obligation. We'll assess both tenants and walk you through what a clean migration looks like.