Assessment
Map users, data, integrations, compliance obligations, and business risk.
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Microsoft 365 and Google Workspace dependency Migration
Microsoft Outlook / Exchange to Mailcow
Move toward a controlled digital environment while minimizing disruption, preserving productivity, and improving long-term control.
Migration target
Mailcow
Mail, calendars, and contacts governed by your policies.
Business Problem
Why this migration matters.
Email is too critical to depend entirely on one vendor's rules.
A controlled mail model clarifies ownership, access, and continuity.
Benefits
Business outcomes.
Control mailboxes and domains
Clarify data location
Reduce license dependency
Feature Comparison
From closed dependency to controlled digital operations.
Ownership
Vendor tenant
Your own mail setup
Data location
Provider region policy
Governance-aligned choice
Mail format
Proprietary ecosystem
Open mail protocols
Migration Process
A controlled path from assessment to adoption.
Roadmap
Sequence the migration to reduce disruption and define rollback paths.
Pilot
Validate identity, data flows, access control, and user experience.
Migration
Move production users, data, permissions, and connected workflows.
Adoption
Train teams, document operations, and prepare support ownership.
FAQ
Common migration questions.
Is this anti-Microsoft or anti-Google?
No. DeCloud helps organizations reduce dependency and regain control. The goal is safe migration, not ideology.
Can migration be phased?
Yes. Identity, mail, storage, documents, chat, meetings, and operations should be sequenced around business continuity.
Does DeCloud host the platform?
DeCloud is a consultancy. We help define the target operating model and choose technology options aligned with your governance requirements.
What is the end state?
The end state is digital sovereignty: portable data, open standards, a controlled digital environment, and a clear operating model.
Plan your Microsoft Outlook / Exchange migration without losing productivity.
DeCloud helps your organization assess risk, design the target operating model, and move safely toward a controlled digital environment.
Request a Digital Sovereignty Assessment