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Last updated by Errin O'Connor, Founder & Chief AI Architect, EPC Group

The EPC Group blog collects the firm's working notes on enterprise Microsoft programs: Microsoft 365 and Copilot, Azure, Power BI and Fabric, Dynamics 365, security, governance and adoption. It is written for the architects, IT leaders and compliance owners who run those programs and need a specific decision explained rather than a product overview.

Key Facts

  • Microsoft enterprise consulting since 1997; 6,500+ SharePoint and 1,500+ Power BI deployments.
  • Compliance-native delivery across HIPAA, SOC 2, FedRAMP, FINRA, CMMC, and GxP environments.
  • Microsoft Solutions Partner with experience across core current designations.
  • Senior architect named on every engagement Statement of Work.
  • Engagement Operating Model: published seven-phase Microsoft project management methodology.
  • Free initial consultation; fixed-fee scoped Statements of Work.

Looking for one question answered? See Answers. Dated standards and decision frameworks live in Insights.

Popular: SharePoint Migration, Power BI, AI Governance, Azure

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Latest Articles

IMAP to Microsoft 365 Migration: Handling Large Mailboxes Over 50GB | EPC Group
Microsoft 3655 min read

IMAP to Microsoft 365 Migration: Handling Large Mailboxes Over 50GB | EPC Group

Complete guide to migrating IMAP mailboxes over 50GB to Microsoft 365 including Exchange Online archiving, batch migration with PowerShell, PST import

Errin O'Connor
April 14, 2026
Microsoft 365 Security & Compliance Health Check: Secure Score, Purview & DLP | EPC Group
Microsoft 3655 min read

Microsoft 365 Security & Compliance Health Check: Secure Score, Purview & DLP | EPC Group

Comprehensive Microsoft 365 security and compliance health check covering Secure Score optimization, permission audits, Microsoft Purview compliance,

Errin O'Connor
April 14, 2026
Microsoft 365 Teams Implementation: Full End-to-End Deployment Guide | EPC Group
Microsoft 3655 min read

Microsoft 365 Teams Implementation: Full End-to-End Deployment Guide | EPC Group

Complete guide to Microsoft Teams enterprise deployment covering governance framework, channel architecture, guest access, Teams Rooms, PSTN calling,

Errin O'Connor
April 14, 2026
Microsoft Copilot Permission Audit: The 47-Point Security Checklist | EPC Group
AI Governance5 min read

Microsoft Copilot Permission Audit: The 47-Point Security Checklist | EPC Group

Complete 47-point security checklist for Microsoft Copilot deployment. Covers SharePoint permission audits, Entra ID group cleanup, sensitivity labels

Errin O'Connor
April 13, 2026
Microsoft Fabric for Commercial Real Estate: Analytics and Reporting | EPC Group
Power BI5 min read

Microsoft Fabric for Commercial Real Estate: Analytics and Reporting | EPC Group

How commercial real estate firms use Microsoft Fabric for lease analytics, occupancy dashboards, tenant scoring, cap rate modeling, and deal pipeline

Errin O'Connor
April 13, 2026
Microsoft Fabric Lakehouse vs Data Warehouse: Which Architecture to Choose | EPC Group
Power BI5 min read

Microsoft Fabric Lakehouse vs Data Warehouse: Which Architecture to Choose | EPC Group

Enterprise guide comparing Microsoft Fabric Lakehouse and Data Warehouse architectures. Covers when to use each, hybrid patterns, OneLake shortcuts, D

Errin O'Connor
April 11, 2026
Microsoft Partner Selection Checklist: Fit & Complexity Assessment | EPC Group
Microsoft 3655 min read

Microsoft Partner Selection Checklist: Fit & Complexity Assessment | EPC Group

Use this checklist to determine if your Microsoft project needs a specialist like EPC Group or a generalist SI. Score your project complexity and find

Errin O'Connor
April 10, 2026
Multi-Model AI Architecture: Why One AI Vendor Isn
AI Governance5 min read

Multi-Model AI Architecture: Why One AI Vendor Isn

Enterprise guide to multi-model AI architecture. Model-specific strengths for Copilot, Claude, GPT-5, Gemini, Grok, and Perplexity. Orchestration patt

Errin O'Connor
April 10, 2026
Microsoft Analytics Platform Guide | EPC Group
Power BI5 min read

Microsoft Analytics Platform Guide | EPC Group

The complete enterprise journey from legacy BI migration through AI-augmented intelligence. 5-stage framework covering Azure Data Factory, Microsoft F

Errin O'Connor
April 9, 2026

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