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Fix Copilot Not Remembering Conversations Between Chat Sessions
Question details
Users report that Microsoft Copilot suddenly stops retaining information and context from previous chat sessions, starting a completely new discussion upon every login.
- Product
- Microsoft Copilot
- Device & OS
- not provided
- Scenario
- Attempting to resume ongoing work or build upon previous discussions across different Copilot chat sessions.
- Observed behavior
- Copilot fails to remember topic-specific information from earlier chats, treating every new app launch or session as a completely new conversation.
Before proceeding, check if you are signed into the correct Microsoft account and verify whether your older conversations are still listed in the right-hand chat history panel.
Document the Issue and Submit Feedback to Microsoft
Since this sudden loss of conversation memory is typically a backend service issue or server-side update, the most effective action is to report it directly to Microsoft.
Many users have experienced identical issues where Copilot loses conversation context after specific dates or background updates. Because context retention is handled on Microsoft's servers, there is often no local switch to fix it instantly.
Note down the exact date the issue began, the Copilot version you are using, and your account type (e.g., Personal, Enterprise, or Education).
Look at the history tab on the side of the Copilot interface to see if your older chats are still visible, even if the AI doesn't remember their context.
Click the 'Feedback' button or the '?' icon usually located in the bottom-right corner of the Copilot interface to submit a detailed error report to the support team.
Workaround: Re-establish Context Manually
While waiting for Microsoft to resolve the server-side memory issue, you can use structured prompts to quickly restore context for the AI.
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Frequently Asked Questions
Why does Microsoft Copilot suddenly forget my chat history?
This typically occurs due to a backend service update, a temporary server outage, or a deliberate change by Microsoft regarding how context is stored between active sessions to manage server loads.
Can I restore a previous conversation in Copilot?
You can view past conversations in the chat history panel on the side of the screen. However, clicking on them might not restore the AI's internal memory of the exact context if a server-side cache reset has occurred.
Does upgrading to Copilot Pro fix the conversation memory issue?
Not necessarily. Users on both free and Pro tiers have reported identical issues where Copilot fails to retain information between sessions during Microsoft service disruptions.
How do I clear the Copilot cache to see if it fixes the problem?
If you are using Copilot on the web, clear your browser's cache and cookies from the browser settings. In the Windows app, you can reset the application through Windows Settings > Apps > Installed apps > Copilot > Advanced options > Reset.
