Channels Basics 

Write messages 

Write messages using the text input box at the bottom of the screen. Press ENTER to send a message. Use SHIFT+ENTER to create a new line without sending a message.

To send messages on CTRL+ENTER and use ENTER to insert new lines go to Main Menu > Account Settings > Advanced > Send messages on CTRL+ENTER.

Reply to messages 

Reply to messages by selecting the icon next to the message text.

Notify teammates 

Let teammates know when they’re needed by typing @username.

Format your messages 

Format your messages using Markdown that supports text styling, headings, links, emojis, code blocks, block quotes, tables, lists, and in-line images.

You can use either _ or * for italics and bold text.

See our Formatting Text documentation for more details and examples.

React to messages 

React to messages quickly by selecting the icon inside the Mattermost message input box to open the Emoji Picker.

Or, react to messages by typing “:” followed by two characters, which will open an emoji autocomplete. If the existing emojis don’t cover what you want to express, you can also create your own Custom Emoji.

Share files 

Share files by dragging and dropping them into Channels, or by selecting the icon within the message input box.

Save messages for follow up 

Save messages for later follow up by selecting the icon next to the message.

Learn more about:

• Composing Messages and Replies

• Mentioning Teammates

• Formatting Messages using Markdown

• Sharing Files

• Executing Commands