<- AI Data Use IndexNot used to train foundation models
Microsoft · Commercial service
Microsoft 365 Copilot
Microsoft says files, communications, prompts, responses, and Microsoft Graph data used with Microsoft 365 Copilot are not used to train foundation models.
Training use
Microsoft 365 Copilot data is stated not to train foundation models.
How to opt out
No opt-out is required for that stated foundation-model training posture.
Private content
Microsoft says Copilot operates within the Microsoft 365 trust boundary and respects organisational permissions.
Retention
Retention follows Microsoft 365 controls and organisational policies rather than a single public consumer-style retention setting.
Human review
The cited commercial documentation focuses on tenant controls, permissions, and compliance rather than consumer-style human-review language.