ChatGPT saves your conversations by default and may use them to train its AI unless you turn that off in Settings. You can disable chat history, review and delete past conversations, and request a full export or deletion of your data — all from the Settings menu. Turning off training does not change how ChatGPT works for you; it only means OpenAI will not use your chats to improve future versions of the model.
ChatGPT is a genuinely useful tool, but like most free services, it handles your data in ways that are worth understanding. The good news is that OpenAI provides real controls — and changing your settings takes only a few minutes. This walkthrough covers what to look at, what to turn off, and what habits to build.
Understand what ChatGPT stores by default
When you use ChatGPT with an account, every conversation is saved to your history by default. OpenAI states that it uses this data to improve its models — meaning your conversations may be reviewed by people or processes and used to train future versions of ChatGPT.
This does not mean your conversations are publicly visible to other users. But it does mean they exist on OpenAI's servers and are not purely private. Knowing this helps you decide what is and is not appropriate to share in the chat window.
Turn off model training in Data Controls
This is the most important setting to check.
Open ChatGPT and click your profile picture or name in the corner of the screen. Select Settings, then look for a section called Data Controls or similar. You should see an option labeled something like Improve the model for everyone — turn this off. This tells OpenAI not to use your future conversations to train the AI.
In the same section, you may see an option to disable Chat History entirely. If you turn this off, new conversations will not be saved after you close them. This is the most private setting available, though it means you cannot go back and review a previous conversation later.
Review and delete past conversations
If you have been using ChatGPT for a while, months of conversation history may already be stored — including anything personal you asked for help with.
In the left sidebar, you can scroll through past conversations and delete individual ones by clicking on the three-dot menu next to each one. To clear everything at once, look for a Delete all chats option inside Settings > Data Controls.
Deleting removes conversations from your view and from active storage. OpenAI's policies note that some data may be retained temporarily for safety and abuse prevention purposes even after deletion.
Export your data to see what is stored
Before deleting anything, you can download a copy of everything ChatGPT has stored for your account. This is useful if you want to see exactly what is there, or if you want a personal archive before making changes.
In Settings > Data Controls, look for an Export data or Export my data option. You will receive an email with a download link within a short time. The file contains your conversations in a readable format, along with other account information.
Review and manage the Memory feature
If you use a paid ChatGPT plan or if the Memory feature has been enabled on your account, ChatGPT can remember things about you between conversations — your preferences, your name, your situation, details you have mentioned in passing. This makes responses more useful but means personal information accumulates over time.
To see what ChatGPT has remembered about you, go to Settings > Personalization > Manage Memory. You can delete individual memories you do not want kept, or turn Memory off entirely. If you turn it off, ChatGPT will start each conversation fresh with no memory of previous ones.
Decide what you will and will not share
No privacy setting fully replaces good habits. Think of ChatGPT as a knowledgeable assistant in a shared office space — helpful for a wide range of tasks, but not the right place for your most private information.
Things that are generally fine to share: questions about general topics, writing you want feedback on, fictional scenarios and creative projects, general advice on common situations, and anything you would comfortably say in a public forum.
Things worth keeping out: your full name combined with your address or date of birth, financial account numbers, medical records or diagnosis details, passwords or security answers, and the personal details of family members who have not chosen to be discussed.
This is not about distrusting ChatGPT specifically. It is about using any digital tool in a way that is proportionate to the sensitivity of what you are sharing.
What to try next: If children in your household have access to ChatGPT, ChatGPT Parental Controls covers the family-specific settings worth reviewing. For a broader introduction to how ChatGPT works and what it is actually doing, What Is ChatGPT? is a good place to start.
