Two organizations
Authorized owners, contractual responsibilities, administrative access, data boundaries, and the reason the move must occur.
Tyler’s Tech CompanyTechnology, Handled PersonallyMenu
Microsoft 365 migration · Greater Boston
Move the business—not just the mailboxes.
Tenant-to-tenant migration planning for ownership changes, separations, consolidations, acquisitions, and inherited environments. We coordinate identity, domains, mail, files, Teams, applications, devices, timing, communication, validation, and the responsibilities on both sides.
Source tenantCurrent organization
01Identity02Mail03Files04Teams05Domains
Destination tenantNew organization
Pilot → cutover → validation → handoff
Source → destinationPilot + cutover + validation
Why discovery comes first
Every workload moves on its own terms. The business experiences one change.
Before anyone promises a date, the project needs legitimate ownership, current access, an explicit scope, known exceptions, and the dependencies that will be affected when the domain and identities change.
One or more domains
DNS, sign-in names, mail flow, verification, public services, certificates, websites, applications, and the cutover sequence.
Different workloads
Exchange, OneDrive, SharePoint, Teams, groups, apps, devices, permissions, links, and data that cannot move the same way.
One business moment
Users experience a single change with deadlines, communication, passwords, devices, support, acceptance, and consequences.
Five coordinated workstreams
The cutover map keeps parallel technical work visible.
Each workstream has its own capabilities and exceptions, but all of them share the same owners, communication, validation, decision record, and business window.
Users, sign-in names, MFA, roles, groups, guests, recovery, device access, and the overlap period between source and destination.
Who signs inMailboxes, shared mail, aliases, delegates, calendars, mail flow, archives, retention, DNS, and validation.
Mail + calendarUser data, ownership, sharing, sync clients, devices, links, volume, exceptions, and post-move access.
Individual filesSites, channels, libraries, permissions, guests, links, apps, metadata, unsupported content, and agreed reconstruction.
Shared workVerification, DNS, line-of-business apps, SaaS sign-ins, devices, printers, security tools, and external dependencies.
Connected systemsMigration sequence
Use evidence from the pilot before setting the cutover expectation.
The critical path is monitored rather than left to a progress bar. Acceptance checks exist before the move, and the source is not retired until the approved validation is complete.
Discover
Confirm tenants, owners, access, domains, users, workloads, applications, timing, legal or contractual boundaries, and source health.
Design
Define inclusions, exclusions, tools, identities, licensing, sequencing, acceptance, rollback decisions, communications, and support.
Pilot
Move representative users and workloads, measure behavior, document exceptions, refine support, and establish a defensible expectation.
Cut over
Coordinate final passes, domain and identity changes, mail flow, user communication, devices, live validation, and issue ownership.
Close
Validate access and ownership, resolve or record exceptions, protect source evidence, document the destination, and retire only what is approved.
Source responsibility
Preserve what the move depends on.
The source needs stable administrative access, known tool ownership, current data, domain control, source-side support, exception records, and an agreed retirement decision.
- Confirm authority and access
- Preserve the source of truth
- Record exclusions and exceptions
- Do not decommission on assumption
Destination responsibility
Begin with an understandable tenant.
The destination needs deliberate identity, licensing, groups, permissions, recovery, devices, administrators, support paths, and documentation—not a copy of every shortcut from the old organization.
- Known administrators and owners
- Validated workload access
- Role-based employee setup
- Documented handoff and open items
A safer handoff
The migration closes when the destination works, agreed exceptions are visible, owners accept the result, and the old tenant is retired only through a documented decision.
Buying questions
Questions before committing to a migration date.
The responsible expectation comes from discovery, pilot evidence, workload capability, dependencies, and the business window—not a generic per-user estimate.
Why would a business need a tenant-to-tenant migration?
Common reasons include a merger, acquisition, divestiture, company separation, ownership change, consolidation, or a tenant that must move away from another organization or former provider.
Can everything in Teams and SharePoint be moved exactly as it is?
Not automatically. Workload capabilities vary, and permissions, chats, applications, links, metadata, and site structures may need separate treatment. Discovery determines what can move directly and what needs reconstruction or an agreed exception.
How much downtime should we expect?
That depends on domains, workload volume, user count, migration tooling, identity changes, devices, and external dependencies. We establish pilot results and a cutover plan before setting a responsible expectation.
Can you take over a move that another provider started?
Yes, after confirming access, tool ownership, current migration state, contractual responsibilities, and what has already changed. We do not assume an incomplete project can safely resume without revalidation.
Do you migrate only email?
No. A project may include Exchange mailboxes, OneDrive, SharePoint, Teams-related data, groups, domains, identities, devices, and connected applications. The exact scope is documented before work begins.
Published pricing
A clear place to start.
Pricing is shown before the estimate so you can judge fit without beginning with a sales call.
Starting at$400USD
Initial project fee plus per user and workload
Covers discovery and a written migration plan for one small tenant. Migration tools, licenses, data volume, SharePoint and Teams complexity, application changes, device work, after-hours cutover, and post-move remediation are quoted separately.
The written estimate or service agreement confirms the final scope, included work, and any separate costs before work begins.
Compare all published service pricesWhat is changing between the two organizations?
Share the reason for the move, approximate user count, domains, important Microsoft 365 workloads, current provider relationship, source and destination access, and any immovable business dates.