# Preview your message before sending
{start_tabs}
{tab|desktop-web}
{!start-composing.md!}
1. Write a message.
1. Click the **preview mode** ()
icon at the bottom of the compose box.
1. *(optional)* Click the **exit preview mode** () icon to edit your message.
!!! keyboard_tip ""
You can also use Alt + P to toggle between previewing
and editing your message.
{end_tabs}
## Related articles
* [Message formatting](/help/format-your-message-using-markdown)
* [Resize the compose box](/help/resize-the-compose-box)
* [Mastering the compose box](/help/mastering-the-compose-box)