Guide

Microsoft Copilot for individuals: your privacy controls and choices

Microsoft · support.microsoft.com

The controls in the Copilot app Microsoft released on 18 August 2026: memory, chat history, web search and ad personalisation.

Open on support.microsoft.com ↗

The question it answers

  1. Are my AI chats private, and how do I stop ChatGPT, Claude, Gemini, Copilot and Meta AI training on them?

Read with it

  1. The exact steps on web and phone to turn off Improve the model for everyone, and what Temporary Chat keeps (up to 30 days for... help.openai.com Guide Data controls in ChatGPT OpenAI
  2. Where the Help improve our AI models switch sits in Claude on a computer and on a phone, and what turning it off does to past... privacy.claude.com Guide How do I change my model improvement privacy settings? Anthropic
  3. Deleted Claude chats leave its systems within 30 days; with training on, data can stay up to 5 years. privacy.claude.com Guide How long do you store my data? Anthropic
  4. What Keep Activity controls, the 72-hour hold when it is off, and the 3 years reviewed chats are kept. support.google.com Guide Gemini Apps Privacy Hub Google
  5. The Training on conversation activity and Training on voice conversations switches, with the path on web, desktop and phone. support.microsoft.com Guide Microsoft Copilot privacy controls Microsoft
  6. Meta's announcement that chats with Meta AI shape the ads and posts you see from 16 December 2025, except sensitive topics. about.fb.com Article Improving Your Recommendations on Our Apps With AI at Meta Meta
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