Open Slack's Keyboard Shortcuts Reference Panel
Slack has a ton of keyboard shortcuts, but you might only be familiar with
some of the more obvious ones. When I started using Slack, I quickly
discovered that Cmd+} and Cmd+{ allow you to navigate forward and
backward through your different Slack workspaces.
But there is a whole world of Slack keyboard shortcuts that I didn't know
about. By hitting Cmd+/ a Keyboard Shortcuts reference panel will be
toggled open. This lists all of the keyboard shortcuts you didn't know you
needed.