Claude keeps a memory of you: a profile, how you like answers written, and topics it picked up from your chats. All of it sits in your settings, and you can read it, edit it or switch it off. The menu names below are from Claude on the web as of October 2026.
See the file
In Claude, open Settings, then Memory. Under "You" there's your Preferences and Profile. Under "Topics" is everything Claude picked up from your chats, like work, money or fitness, each with the date it was last updated.
Two switches sit at the top of the same page. "Generate memory from chats" is what builds the file. "Search and reference chats" lets Claude look through your past chats for details.
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Ask what it figured out
Start a new chat and paste this, then send the follow-up.
List everything you remember about me as one complete list. Don't summarize.
What did you work out about me that I never told you directly?
Tell it what to forget
At the bottom of the Memory page there's a box that says "Tell Claude what to change". Type what you want gone in plain words and Claude updates the file.
Forget everything about my income.
If you don't want a file at all, turn off "Generate memory from chats" on the same page.
Turn off training on your chats
Go to Settings, then Privacy, and find "Help improve our AI models". Its description says it allows "the use of your chats and coding sessions to train and improve Anthropic AI models". Switch it off if you don't want that.
The same page has "Location metadata", which uses your rough city or region, and "Export data" if you want a copy of everything.
Keep sensitive stuff out of memory
Back in Settings and Memory, check "Include sensitive topics in memory". When it's on, Claude can save details about things like health conditions or religious beliefs. Leave it off unless you want those remembered.
