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Editing messages

Fix a message after you send it — within 24 hours, with an Edited label others see live.

Sent something with a typo? You can edit your own messages for 24 hours after posting. Edits happen right where the message sits, in the same composer you wrote it in.

Edit a message

  1. Hover over your message (or tap it on mobile) and open the ⋯ menu.
  2. Choose Edit.
  3. The message turns into the composer, pre-filled with your text. Change it, then press Enter (or click Save).
  4. Press Esc or click Cancel to back out without changing anything.

You can edit the text, add or remove attachments, and use mentions, emoji, and formatting exactly like when you first wrote the message.

The "Edited" label

After you edit, the message shows a small "Edited 2 minutes ago" next to its timestamp. Hover the label to see the exact date and time of the edit. The label keeps itself up to date as time passes.

Everyone who can see the message sees your edit — and the Edited label — live, without refreshing.

What you can and can't edit

  • Your own messages only. You can't edit someone else's message.
  • Within 24 hours. After that, the Edit option disappears and the message is locked. (The window is counted from when you first posted.)
  • Mentions you add in an edit notify those people, just like a new mention — but people already mentioned aren't pinged again.
  • You can edit a message down to just an attachment (no text), but you can't leave a message completely empty.

Comments too

Editing works the same way on canvas document comments and task comments — open the comment's menu, choose Edit, and save. They show the same Edited label and update live for everyone viewing the thread.

Heads up: viewing a message's earlier versions isn't available yet. Edits are saved, but there's no history viewer for now.