Last verified: September 2026. Microsoft 365 Copilot lives inside the apps your company already pays for — Outlook, Teams, Word, Excel, PowerPoint — which is exactly why it's confusing. It's not one product with one manual; it's a layer across everything. This guide is the map: the fast lane for power users, the daily workflows, the compliance side your IT department cares about, and the migration path if you're coming from ChatGPT Enterprise.
The fast lane: shortcuts and power tips
Copilot rewards the people who learn its keys. The September 2026 shortcut table: Alt+C on Windows, Cmd+Control+I on Mac, F6 just about everywhere. In Word and Excel, Alt+I is the in-canvas draft key — not the side pane, the document itself. These are the difference between “I tried Copilot once” and actually living in it.
→ Microsoft 365 Copilot Shortcuts & Power Tips (2026) — the full shortcut table plus the hidden features most users never find.
The daily workflows: Outlook, Teams, Word, PowerPoint, OneNote
Shortcuts get you in the door; workflows are what you do all day. The guide walks a full workday: the Copilot morning routine, then cross-app workflows spanning Outlook, Teams, Word, PowerPoint, and OneNote — work that starts in one app and finishes in another.
→ The Complete Microsoft 365 Copilot Productivity Guide (2026) — the day-in-the-life walkthrough across all five apps, with the cross-app workflows spelled out.
The compliance side: audit logs, Purview, and eDiscovery
Here's the part individual users skip and IT departments can't: every Copilot interaction is a data event, and in a regulated or litigation-prone company, those events need an audit trail. Microsoft Purview is where it happens — Activity Explorer for monitoring Copilot usage, eDiscovery workflows that cover Copilot conversations, retention policies that decide what survives and for how long. If your company is rolling out Copilot without this configured, that's a gap, not a phase two.
→ Microsoft Copilot Audit Logs & eDiscovery Guide (2026) — Purview setup, Activity Explorer, eDiscovery coverage, and retention policy design.
Switching: from ChatGPT Enterprise to Copilot
The consolidation math is what's driving migrations: organizations moving from ChatGPT Enterprise to Microsoft Copilot save roughly $20–30 per user per month. The catch is that it's not a license swap — it's a workflow migration, covered in the guide workflow by workflow, challenges included.
→ Migrate ChatGPT Enterprise to Copilot: 2026 Guide — the workflow-by-workflow migration playbook.
Four deep dives, one hub. The shortcuts table for speed, the productivity guide for the workday, the audit guide for the compliance file, and migration guide for the switch.
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