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Google Workspace · Exchange · tenant-to-tenant

Microsoft 365 migration, planned so nobody loses a working day.

We move your email, calendars, files and sign-in to Microsoft 365 from Google Workspace, an Exchange server or another Microsoft 365 tenant. A test migration comes first, then batches, then a cut-over outside working hours. The old system stays switched on until every mailbox has been checked.

Eight Missan team members on the Missan stand at Make It In The Emirates 2025, ADNEC Centre Abu Dhabi
The Missan team on the company’s stand at Make It In The Emirates 2025, ADNEC Centre Abu Dhabi, May 2025.

Talk to our team today. Mon–Sat, Dubai time.

What we do

What we migrate.

22+ years · 5,000+ clients served since 2004 · 10,000+ projects delivered since 2004

Google Workspace to Microsoft 365
Gmail, calendars, contacts and Google Drive into Exchange Online, OneDrive and SharePoint.
Exchange server to Exchange Online
On-premises mailboxes moved in stages, with mail flowing between both systems until the last one is done.
Tenant-to-tenant moves
For acquisitions, mergers and splits: mailboxes, OneDrive, SharePoint, Teams and the domain itself.
IMAP and hosted mail
Mail from cPanel hosting or another provider into Microsoft 365, with old folders kept.
File shares into SharePoint
Shared drives and NAS folders mapped to SharePoint sites with permissions planned before the move.
Licensing and security setup
The right Microsoft 365 plan per user, MFA, backup for Microsoft 365 and a security baseline.

How a project runs

How a Microsoft 365 migration runs.

Survey, fixed quote, then a staged move with the old system kept as the way back.

  1. Step 1

    Survey

    We list mailboxes, sizes, shared calendars, file data, domains and the devices people use, and agree what moves and what is archived.

  2. Step 2

    Fixed quote and plan

    One written price, a batch plan and a cut-over date. Anything that changes is quoted in writing first.

  3. Step 3

    Test, then batches

    A few mailboxes move first so we can check the result with you. Then everyone else in batches, with the old system still live.

  4. Step 4

    Cut-over and handover

    Mail flow switches outside working hours, we check every mailbox and help staff on the first morning, then hand over admin access in your company’s name.

After go-live

After the move.

  • Help for staff on the first working days: Outlook profiles, phones and Teams.
  • MFA switched on for every user, with admin accounts kept separate.
  • Backup for Microsoft 365 mail, OneDrive and SharePoint.
  • Old system kept read-only for an agreed period, then retired.
  • Licences reviewed so nobody pays for a plan they do not use.
  • Ongoing support under managed IT, or a clean handover to your own team.

Support runs Monday to Friday 08:30–17:00 and Saturday 08:30–14:00 (Dubai time), with out-of-hours cover agreed in the contract where you need it. We reply within one business day to anything that is not urgent. See IT AMC contracts and managed IT services.

Questions

What buyers ask before they sign.

Can you move us from Google Workspace to Microsoft 365?

Yes. Mail, calendars, contacts and Google Drive files move into Exchange Online, OneDrive and SharePoint. We run a test migration on a few mailboxes first, then move everyone in batches and switch mail flow on a planned cut-over, usually outside working hours.

We still run an Exchange server in the office. Can that move too?

Yes. On-premises Exchange moves to Exchange Online in stages, with mail flowing between the two while it happens. Once the last mailbox has moved and been checked, the old server is retired, not before.

Our company was acquired, or is splitting. Can you do a tenant-to-tenant move?

Yes. Mailboxes, OneDrive, SharePoint sites and Teams move between Microsoft 365 tenants, and the domain moves at the end. These moves need more planning than most, so we agree the order, the cut-over weekend and the way back in writing first.

Will we lose email during the move?

You should not. Mail keeps arriving at the old system until the cut-over, and the final sync picks up anything that came in late. We check every mailbox count against the source before we sign off.

How long does a Microsoft 365 migration take?

It depends on mailbox sizes, the amount of file data and how many people there are. A small office can be done in days. A larger company usually runs over a few weeks in batches. You get the timeline with the fixed quote, after we have looked at what you have.

Do we need to buy licences through you?

No, but you can. We are a Microsoft partner and can supply Microsoft 365 licences on monthly or annual terms, and we check that each user gets the plan they actually need before you buy.

What happens after the move?

We set up MFA, backup for Microsoft 365, basic security settings and a short guide for staff. Then you can keep support with us under managed IT, or we hand everything to your own team with admin access in your company’s name.

Tell us what you are moving from

Google Workspace, an Exchange server or another tenant, roughly how many users, and when you would like to be on Microsoft 365. We reply within one business day.

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No newsletter and no sales sequence. We only use this to answer you. Prefer to talk? +971 6 562 6006 or WhatsApp us

Planning a project? Get it scoped first.

Send us the brief, the deadline and what you have today. An engineer reviews it and we reply within one business day with next steps.