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Chats are cheap. Start them freely, keep them narrow, and use the tools below to rewind rather than argue with a conversation that has gone off course.

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Starting and finding chats

Deleting a chat that is still working asks first: “Delete running chat?”, “This chat is still working. Deleting it will interrupt the operation in progress.”

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Running several at once

Chats do not queue behind each other. Start one drafting the market section, go back to All chats, start another building a chart, and both run. Each keeps its own history, its own model and its own context.
This is the practical answer to a long chat. Instead of one conversation that has covered six topics and been compacted twice, run six short ones.

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Branching from a point in the conversation

Hover a message you sent and a … button appears at its top corner. It opens two options.
Message action menu open on a user message, showing Copy Message ID and Duplicate Chat From Here

The action menu on a message you sent.

Duplicate Chat From Here copies the conversation up to that message into a new chat, leaving the original untouched. Use it when a good chat is about to go somewhere speculative: branch, experiment, keep whichever one worked. Copy Message ID copies the message’s identifier. Include it when you report a problem; it points support at the exact turn.

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Editing and resending a message

You can go back to something you sent, change it, and run it again. The composer switches to “Edit message” and the send button becomes “Send edited message”. Because the original message may already have changed your deck, Pretty asks “How do you want to continue?”:
Reverting is about the conversation, not an undo of PowerPoint itself. Slides already written to the deck are handled separately (see below), and PowerPoint’s own undo still applies to anything you changed by hand.

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Reverting a slide

Under a PowerPoint step row, each slide Pretty touched gets its own line: Inserted slide, Edited slide, Moved slide. Hover one and a revert arrow appears, titled “Revert to previous version”. It opens a confirmation: “Revert slide? This will re-insert the previous version of slide into your presentation.” Pretty puts back the checkpoint captured before that change rather than deleting the slide. Checkpoints do not last forever. Once one has gone, the arrow greys out and reads “Checkpoint no longer available”.