Microsoft 365 Migration Cost Estimate
This is a practical guide to building a cost estimate for a microsoft 365 migration project — a forecast of the money required to complete the work, adapted to the realities of migrating email, files and collaboration to Microsoft 365.
What a Cost Estimate is
A cost estimate is a forecast of the money required to complete the work. For the full concept and how it works in general, see Cost Estimation. On a microsoft 365 migration project it plays the same role, tuned to this kind of work.
Why it matters for a Microsoft 365 Migration project
Microsoft 365 Migration projects live or die on migrating email, files and collaboration to Microsoft 365. A well-built cost estimate gives the team a shared, explicit reference for exactly that — reducing ambiguity, aligning stakeholders, and making problems visible early enough to act. Skipping it, or doing it generically, is how microsoft 365 migration projects drift into avoidable delay and cost.
What to include
- Labour costs
- Material/equipment costs
- Indirect costs
- Contingency
- Estimate basis and assumptions
Microsoft 365 Migration-specific considerations
Tailor the cost estimate to the risks that most often derail microsoft 365 migration projects:
- Mailbox and file migration errors
- User adoption and training
- Security and compliance configuration
Example
On a real microsoft 365 migration project, the cost estimate would be shaped by migrating email, files and collaboration to Microsoft 365. In particular, it should explicitly account for the project’s biggest risks — mailbox and file migration errors, user adoption and training, security and compliance configuration — rather than treating them as afterthoughts.