Challenge
On-premise Exchange 2016 was end-of-life; file shares were growing and remote staff needed reliable Teams access.
Approach
- Sized mailboxes, mapped integrations and prepared rollback DNS steps.
- Ran pilot cohort, then staged cutover with help desk coverage.
- Migrated file shares to SharePoint with permission mapping.
- Delivered admin documentation and hypercare week after go-live.
Outcomes
- All mailboxes on Microsoft 365 with MFA enforced.
- Staff trained on Teams, SharePoint and mobile access.
- Backup and retention policies aligned to business requirements.
