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Communication continuity Migration

Slack to Mattermost

Move toward a controlled digital environment while minimizing disruption, preserving productivity, and improving long-term control.

Migration target

Mattermost

Collaboration with clearer governance.

Business Problem

Why this migration matters.

Slack can slowly become where all work conversations and important knowledge live.

A controlled messaging model reduces SaaS dependency.

Benefits

Business outcomes.

Control chat data

Support sensitive work

Reduce SaaS dependency

Feature Comparison

From closed dependency to controlled digital operations.

Messaging

Slack

Mattermost

Operating choice

Slack SaaS

Governance-aligned options

Control

Vendor workspace

Your own platform

Migration Process

A controlled path from assessment to adoption.

1

Assessment

Map users, data, integrations, compliance obligations, and business risk.

2

Roadmap

Sequence the migration to reduce disruption and define rollback paths.

3

Pilot

Validate identity, data flows, access control, and user experience.

4

Migration

Move production users, data, permissions, and connected workflows.

5

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 Slack 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