Use emoji reactions

Emoji reactions are a quick way to respond to any message in Slack. They can often replace the need for follow-up messages or replies in a thread. ✨

Emoji key

👋 Hello! or I can help you with that 👌 Ok! or I understand 
👀 I’m looking into it  ➕ I agree
Complete or approved 👏 Great job! or Well done!

Add a reaction

You can add up to 23 emoji reactions to any message, but the maximum per message is 50 unique emoji. Use the steps below to add a reaction to a message:



  1. Hover over a message and click the   Add a reaction icon.
  2. Choose an emoji, then watch it appear beneath the message. 

Tip: To react to the most recent message, type +:emoji_name: in the message box and send, or use Shift\ (Mac) or CtrlShift\ (Windows) to open the emoji picker.

  1. Tap and hold on the message you'd like to add a reaction to.
  2. Select Add reaction.
  3. Select from your most frequently used emoji reactions at the top of the menu. Or to add a different reaction, tap the   Add a reaction icon.

Remove a reaction

Reactions you’ve added will show in blue. If you want to remove one, click or tap the emoji to remove it from the message. Remember that you can only remove the reactions you've added. 


See who reacted to a message



If you see a message with an emoji reaction attached to it, simply hover over the reaction to see who added it.

If you see a message with an emoji reaction attached to it, simply long-press a reaction to see who added it.

See reactions to your messages

You can see a list of recent reactions that have been added to your messages.




  1. Click the  Activity icon in the top right.
  2. Scroll through the list to see other people’s reactions to your messages.

Tip: When someone reacts to one of your messages, you’ll see the emoji momentarily appear over the  Activity icon. 

  1. Swipe right to left to open the right sidebar.
  2. Tap Activity.
  1. Tap the   Overflow menu icon in the top right corner.
  2. Tap Activity.