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Author

Austyn O'Connor

Senior Architect, Microsoft 365 Migrations & Integration, Accred Consulting

Plans and runs Microsoft 365 migrations, tenant-to-tenant moves and M&A IT integration, from discovery to cutover and handover.

  • 500+migrations, implementations and M&A projects delivered
  • Full stackMicrosoft 365, cloud and on-premises
  • M&Atenant-to-tenant migration and IT integration

Profile

Austyn O'Connor is a Senior Architect at Accred Consulting with hands-on experience across the full Microsoft 365 ecosystem, Entra ID, legacy on-premises systems and hybrid environments. Austyn has delivered more than 500 migrations, implementations, M&A integrations and adoption programs.

Austyn's work is practical by design: solutions sized to the business need, delivered on schedule and in scope, with clear updates for technical and business stakeholders and documentation thorough enough that the client's own team can run what was built.

Focus areas

  • Cloud migrations and tenant transformation. Exchange, Google Workspace and tenant-to-tenant moves planned and executed with minimal disruption.
  • Mergers, acquisitions and IT integration. Bringing tenants, identities and collaboration together so the combined business can work as one.
  • Implementation and configuration. New Microsoft 365 services stood up, secured and configured to fit how the business works.
  • Support and troubleshooting. Microsoft 365 and legacy environments, including migration fixes and post-cutover clean-up.
  • Adoption and training. End-user training and enablement so new tools are used, not just deployed.

Technical expertise

Core platform and security

  • Microsoft 365 tenant administration and governance
  • Entra ID
  • Active Directory (on-premises)
  • Security, compliance, DLP, retention and eDiscovery
  • Intune MDM, MAM and endpoint security

Email and messaging

  • Exchange Online administration
  • Exchange Server 2010 to 2019 support and decommissioning
  • Cutover, staged and hybrid migrations
  • Tenant-to-tenant migration and cross-tenant sync
  • Google Workspace to Microsoft 365

Collaboration and voice

  • Teams administration and governance
  • Teams Phone with Calling Plans and Operator Connect
  • Contact center and switchboards
  • SharePoint Online and OneDrive architecture, permissions and migration

Power Platform

  • Power Apps (canvas and model-driven)
  • Power Automate flows, approvals and RPA

What Austyn writes

Austyn signs answers on cost and timelines, tenant-to-tenant and M&A, Google Workspace, Exchange, SharePoint and files, devices and Intune, Power Platform and day-to-day administration, plus Insights on those topics. Every guide follows the editorial standards.

Answers (58)

Cost & timeline

Tenant-to-tenant & M&A

Google Workspace

Exchange

SharePoint & files

Devices & Intune

SharePoint & Power Platform

Managed IT & administration

Insights (27)

Work with Austyn

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