A safe Microsoft Copilot rollout starts with a permissions audit before any trial license is enabled. Microsoft 365 Copilot retrieves files, emails, and chats using each user’s existing Microsoft 365 permissions. In most tenants, those permissions are broader than anyone has mapped, because access tends to accumulate across years of projects, ad-hoc sharing, and staff changes. Microsoft itself now recommends a specific cleanup before any trial: map who currently has access to what, fix the permissions that have drifted out of scope, and apply sensitivity labels to confidential content.This post covers what Microsoft 365 Copilot does with permissions, where oversharing tends to show up in a typical tenant, the kinds of content Copilot can return when permissions are broad, how to run the audit Microsoft recommends, and what to fix before any rollout.How Microsoft 365 Copilot accesses your dataCopilot answers questions and generates content by retrieving information through Microsoft Graph,
