Google Workspace to Microsoft 365

Leaving Google for Microsoft with mail history, Drive content and Groups intact. Labels become folders, Docs become Office files, Groups become distribution lists — and the rest is listed.

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Typical moves.

Standardising on Microsoft

A Google Workspace acquisition joining a Microsoft 365 company: people, mail, drives and Groups into the existing tenant.

Enterprise requirements

Compliance, Teams or Exchange features the business now needs. Keep the history, gain the platform.

Bringing a subsidiary in

One Workspace domain folded into the corporate tenant, with its addresses preserved.

In detail.

Gmail → mailboxes

Messages imported with dates, read state and flags; labels become folders; starred becomes flagged.

Calendar & contacts

RRULE recurrence converted to Exchange patterns; reminders and free/busy kept; People become contacts.

Drive → OneDrive

Google Docs, Sheets and Slides exported as Word, Excel and PowerPoint; other files streamed as they are; sharing re-granted.

Groups → distribution lists

Google Groups become distribution lists or Microsoft 365 Groups with members and aliases.

Shared drives → sites

Each shared drive becomes a SharePoint site with a library and mapped roles.

Chat spaces → Teams

Each space becomes a team with one channel; history imported under the original authors.

Carried across

Original dates Read / unread state Folder tree Flags & categories Shared mailbox rights File sharing Teams history & authors Calendar recurrence Aliases Signatures & rules

Listed for you, never guessed

Anonymous sharing links OneNote notebooks Teams apps & tabs Items over the target's size limit

The things that make a mailbox feel like yours the morning after — and the few that need a hand.

Inbox138 / 138complete
Sent Items92 / 931 missing
Calendar27 / 27complete
Contacts18 / 18complete
OneDrive16 / 16complete

Copy 1 missing itemread-only on both tenants

Every container counted on both sides; the exact items that never arrived are listed and copied on request.

Good to know before you plan

Gmail filters and Google-only calendar features (appointment schedules, working locations) are listed, not converted.
Docs with complex formatting are exported by Google's own converter; fidelity matches "Download as".
Domain cutover claims the domain in Microsoft 365 and checks MX, SPF and Autodiscover before the switch.

Six steps, one page each.

Connect both tenants, assess, match users, migrate in waves, verify and keep in sync, cut over. Every step lives on its own tab with the numbers that matter and the next action ready.

Read the complete playbook

Open this route with a free assessment.

Connect the source tenant and see users, sizes, shared mailboxes, sites and Teams scored in minutes. Nothing moves until you say so.

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