Message Types
Reply to posts to keep conversations organized in threads.
Posts
Posts are considered parent messages when they start a thread of replies. Posts are composed and sent from the text input box at the bottom of the center pane.
Replies
Select the Reply icon next to any message to open the right-hand sidebar to respond to a thread.
When composing a reply, select the Expand Sidebar/Collapse Sidebar icon in the top right corner of the right-hand sidebar to make conversations easier to read.
Post a Message
Write a message by typing into the text input box, then press ENTER to send it. Use SHIFT+ENTER to create a new line without sending a message. To send messages by pressing CTRL+ENTER, go to Account Settings > Advanced > Send Messages on CTRL/CMD+ENTER.
Edit a Message
Edit a message by selecting the More Actions [...] icon next to any message text that you've composed, then select Edit. After making modifications to the message text, press ENTER to save the modifications. Message edits don't trigger new @mention notifications, desktop notifications, or notification sounds.
Delete a message
Delete a message by selecting the More Actions [...] icon next to any message text that you've composed, then select Delete. System and Team Admins can delete any message on their system or team.
Link to a message
Get a permanent link to a message by selecting the More Actions [...] icon next to any message, then select Copy Link. Users must be a member of the channel to view the message link.