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Service

Data
Migration

Move files, email, and collaboration data to Microsoft 365 with structured planning, complete data mapping, and verified integrity at every stage.

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Overview

What this migration involves

Data migration is the systematic transfer of structured and unstructured content from one system to another. In the Microsoft 365 context, this encompasses email, files, documents, calendars, contacts, and collaboration data.

CloudyNex approaches data migration as an engineering discipline — not a bulk copy exercise. Every dataset is assessed, mapped, and validated before, during, and after migration to ensure nothing is missed — including OneDrive, SharePoint, and Teams content moving to Google Workspace, see our migration guide for what that involves.

What we migrate
  • Email and mailbox data
  • File and document repositories
  • Calendar and contacts data
  • Collaboration platform data
  • Structured list and metadata content
How It Works

The migration path

A clear, structured path from source to destination — with CloudyNex managing every step.

Any Source System
On-prem · hosted · cloud
via CloudyNex
CloudyNex
Migration engine
arrives at
Microsoft 365
Cloud-native · verified
Business Challenges

What makes this migration complex

01
Data integrity assurance

Large migrations require checksums, reconciliation reports, and post-migration validation to confirm that source and destination content match exactly.

02
Volume and performance

Large datasets require careful batch management, throttling awareness, and realistic timeline planning to complete within business constraints.

03
Data classification

Migration is an opportunity to review what is moved versus archived versus deleted. Without classification, organisations carry technical debt into the new environment.

Our Process

How we run the migration

01 — Audit
Data audit
Inventory of all data sources, formats, volumes, and dependencies across email, files, and collaboration platforms.
02 — Classification
Data classification
Data categorised by type, sensitivity, and migration priority. Archive and deletion candidates identified.
03 — Planning
Migration plan
Data migration sequence planned across all workloads. Batch sizes, timelines, and validation checkpoints agreed.
04 — Pilot
Pilot migration
Representative dataset migrated to validate tooling, data mapping accuracy, and integrity checking approach.
05 — Migration
Staged migration
All data migrated in planned stages. Reconciliation reports generated and reviewed after each stage.
06 — Validation
Integrity verification
Post-migration audit confirms source and destination match. Any gaps investigated and resolved before sign-off.

Need help with this migration?

Contact our migration specialists today.

Request a Free Consultation
FAQ

Frequently asked questions

We run post-migration reconciliation reports comparing source and destination item counts, sizes, and checksums where tooling supports it. Any discrepancies are investigated and resolved before project closure.
Yes — and we recommend it. Migration is the ideal time to archive old content and delete redundant data. We can advise on data classification and retention policies during discovery.
Risk is minimised by keeping source systems intact throughout migration, pre-staging content before cutover, and running integrity checks post-migration. The source is only decommissioned after full sign-off.
Get Started

Ready to migrate your data
to Microsoft 365?

Tell us about your environment. We will assess the complexity and give you a clear, written migration plan.

Request a Free Consultation About CloudyNex

No commitment required · Response within one business day · sales@cloudynex.co