When you tap and hold a message you sent, you'll see these extra actions:
Add or remove a reaction: love, like, thumbs-down, haha, or wow
Reply – Reply to your own message in the main chat
Thread reply – Add more details in a side thread
Edit message – Fix a typo or update your message
Copy message – Copy your message to paste elsewhere
Flag message – Report your own message (e.g. if you sent something by mistake), available in some chats
Delete message – Remove your message from the chat. You'll be asked to confirm first
Info – See when it was sent, edited, and who read it
Resend – Try again if a message failed to send
📌 Task and announcement messages can't be copied or deleted. Only the person who sent an announcement can edit it.