Channels Basics

Available in Mattermost Free and Starter subscription plans. Available for Mattermost Cloud deployments. Available for Mattermost Self-Hosted deployments.

Write messages

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

You can use ENTER to insert new lines, and CTRL+ENTER to send messages instead. Select the Select the Gear icon to open the Settings dialog. to go to Settings, then select Advanced > Send messages on CTRL+ENTER.

Reply to messages

Reply to messages by selecting the Reply icon. 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.

Formatting markdown controls the look and feel of text messages.

See our Formatting Text documentation for more details and examples.

React to messages

React to messages quickly by selecting the Smile icon. 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 Attachment icon. icon within the message input box.

Save messages for follow up

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

Save messages for later follow up.

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