Recovery
Can you recover deleted ChatGPT chats?
Not through the app: once deleted, a conversation is gone from your account view with no undo. The uncomfortable corollary is that "you cannot get it back" is not the same as "it no longer exists" — copies typically persist on the provider’s systems for a retention window regardless.
What you can actually try
Export your data before deleting: Settings → Data controls → Export data sends an archive of what exists at that moment. It is the only reliable backup, and it only helps if you did it beforehand.
Check other devices and browser history — sometimes a tab is still open somewhere with the conversation in it.
A data-access request under GDPR or similar law may return what is still held about you. It is slow, and what comes back is whatever they still have rather than a restored chat.
The part worth noticing
The same architecture that makes recovery impossible for you makes retention possible for them. You lost access; the copy did not necessarily stop existing, and under a legal hold it may be kept specifically because a court said so.
If that asymmetry bothers you, the answer is not a better recovery feature. It is a service where deletion is not a request — where nothing was written down at all, so what you cannot recover, nobody else can produce either.
Asked before you asked
Is there any undo for deleting a ChatGPT conversation?
No. The interface offers no restore, and support generally cannot retrieve individual deleted conversations for you.
Can a court still obtain my deleted chats?
If a copy is still within the retention window or subject to a legal hold, yes. Deleting from your side does not remove it from theirs.
How do I avoid this problem entirely?
Export regularly if you want the history, or use something that never creates it. Those are the only two consistent positions; deleting as you go is the one that satisfies neither.