“Move it to the cloud” sounds like a destination. It’s actually a series of decisions — some things belong there, some genuinely don’t, and the difference between a smooth migration and a months-long headache is almost entirely in the questions you answer before anything moves. Here they are, in the order they matter.

Question 1: What exactly are we moving, and why?

“The cloud” hides several different moves with different economics: email and files into Microsoft 365 (the most common and most standardized — what to expect there is well-trodden ground); a line-of-business application to its vendor’s hosted version; or a server’s workload into hosted infrastructure like Azure. Each has its own math. So start with the inventory: every server and what actually runs on it, every application and who depends on it, and — the one everyone forgets — the connections between them. The label printer that talks to the inventory system, the scan-to-folder workflow, the ancient reporting tool reading the database directly. Migrations don’t get derailed by the big applications; they get derailed by the undocumented plumbing around them.

Then interrogate the “why.” Aging hardware, remote work, office moves, and resilience are strong reasons. “Everyone’s doing it” isn’t. And the honest answer for some workloads — that shop-floor system wired to physical equipment, the app whose vendor requires on-premises, the software that works fine on a server with years left — is stay put for now. A partial migration done for the right reasons beats a total one done on principle.

Question 2: What will it really cost?

Cloud pricing quotes the subscription; migrations cost more than the subscription. Budget for the move itself (data transfer, configuration, the project labor), parallel running — you’ll pay for old and new simultaneously during the transition, and that’s healthy, not wasteful — possible internet upgrades (once everything lives across your connection, that connection becomes critical infrastructure, failover included), and the recurring bill’s habit of growing as storage and licenses creep. (Keeping that in check.) Compare against the true cost of staying: the server replacement you’re avoiding, its power and backups and the Saturday it fails. The comparison is usually closer than either vendor’s version of it — clouds win on flexibility and resilience more than on raw monthly price.

Question 3: Who’s responsible for what afterward?

The most expensive misunderstanding in cloud computing: assuming the provider protects your data because they run the service. They don’t — Microsoft says so explicitly. Deletion, ransomware syncing through, a departed employee’s files: still your problem, which means the migration plan includes a backup plan for the cloud data itself, security configured deliberately (MFA and sensible defaults from day one — a migration is a rare clean-slate chance), and clarity on who administers what going forward.

Question 4: What’s the sequence, and what’s the rollback?

Good migrations are boring on purpose:

  1. Pilot with a friendly group — a handful of users, real work, a week. They’ll find the undocumented plumbing for you.
  2. Move in phases, least critical first. Email, then files, then applications is a common order. Nothing mission-critical moves until something forgiving has proven the process.
  3. Schedule cutover for calm — a weekend, never quarter-end or your industry’s busy season.
  4. Keep the old system readable until the new one has survived a full business cycle — including a month-end. Rollback you never use is cheap; rollback you don’t have is not.
  5. Tell people what’s changing, twice. Where files now live and how to log in, in one page, sent before and after. Half of “migration problems” are communication problems wearing a costume.

The bottom line

A cloud migration is a project with a beginning, middle, and end — not a lifestyle. Inventory honestly, move what benefits, keep what doesn’t, budget past the subscription line, settle responsibility for the data, and sequence it so the riskiest step happens last, with a rollback in your pocket. Done that way, the highest compliment your migration can earn is that nobody remembers exactly when it happened.