Slack Cheatsheet
// This might work...
    http://ursooperduper.github.io/cheatsheets/slack/
  
    Slack Cheatsheet
  
General
| ⌘ / | List of keyboard shortcuts | 
| ⌘ + | Increase font Size | 
| ⌘ - | Decrease font size | 
| ⌘ K | Open Quick Switcher | 
| ⌘ T | Open Quick Switcher (Desktop App) | 
| ⌘ ⇧ K | Open Direct Message Quick Switcher | 
| ⌘ ⇧ T | One Direct Message Quick Switcher (Desktop App) | 
| ⌥ ↑ | Previous channel or direct Message | 
| ⌥ ↓ | Next channel or direct message | 
| ⌥ ⇧ ↑ | Previous channel or direct message with unread messages | 
| ⌥ ⇧ ↓ | Next channel or direct message with unread messages | 
| ⌘ [ | Previous channel in your history | 
| ⌘ ] | Next channel in your history | 
| ⌘ , | Open Preferences | 
| ⌘ . | Toggle right pane | 
| ⌘ ⇧ I | Open Channel info pane | 
| ⌘ ⇧ M | Open Recent Mentions | 
| ⌘ ⇧ E | Open Team Directory | 
| ⌘ ⇧ S | Open Starred Items | 
File Snippets
| ⌘ U | Upload a file | 
| ⌘ ↩ | Create new Snippet | 
| ⌘ ⇧ V | Paste your clipboard contents as a new text Snippet | 
Marking Messages
| ⎋ | Mark all message in current channel or DM as read | 
| ⇧ ⎋ | Mark all messages in all channels and DMs as read | 
| ⌥ (and click message) | Set a message as your oldest unread message | 
Message Shortcuts
| ↑ | Edit your last message in the current channel | 
| ⇥ | Reprint the last slash command you entered | 
| @[character] ⇥ | Autocomplete @username beginning with [character] | 
| #[character] ⇥ | Autocomplete channel beginning with [character] | 
| :[character] ⇥ | Autocomplete emoji beginning with [character] | 
| ⇧ ↑ | Highlight text to the beginning of the current line | 
| ⇧ ↓ | Highlight text to the end of the current line | 
| ⇧ ↩ | Create a new line | 
Switching Teams in Desktop App
| ⌘ ⇧ [ | Switch to previous team | 
| ⌘ ⇧ ] | Switch to next team | 
| ⌘ [number] | Switch to a specific team (see assigned number under the team icon in your Slack app) | 
Legend
| ⇧ | Shift | 
| ⌃ | Control | 
| ⌥ | Option | 
| ⌘ | Command | 
| ↩ | Return | 
| ⎋ | Escape | 
| ⌫ | Delete | 
| ⇥ | Tab | 
Print this page for a specially formatted version of this cheatsheet.
  General
| ⌘ / | List of keyboard shortcuts | 
| ⌘ + | Increase font Size | 
| ⌘ - | Decrease font size | 
| ⌘ K | Open Quick Switcher | 
| ⌘ T | Open Quick Switcher (Desktop App) | 
| ⌘ ⇧ K | Open Direct Message Quick Switcher | 
| ⌘ ⇧ T | One Direct Message Quick Switcher (Desktop App) | 
| ⌥ ↑ | Previous channel or direct Message | 
| ⌥ ↓ | Next channel or direct message | 
| ⌥ ⇧ ↑ | Previous channel or direct message with unread messages | 
| ⌥ ⇧ ↓ | Next channel or direct message with unread messages | 
| ⌘ [ | Previous channel in your history | 
| ⌘ ] | Next channel in your history | 
| ⌘ , | Open Preferences | 
| ⌘ . | Toggle right pane | 
| ⌘ ⇧ I | Open Channel info pane | 
| ⌘ ⇧ M | Open Recent Mentions | 
| ⌘ ⇧ E | Open Team Directory | 
| ⌘ ⇧ S | Open Starred Items | 
Switching Teams in Desktop App
| ⌘ ⇧ [ | Switch to previous team | 
| ⌘ ⇧ ] | Switch to next team | 
| ⌘ [number] | Switch to a specific team (see assigned number under the team icon in your Slack app) | 
Marking Messages
| ⎋ | Mark all message in current channel or DM as read | 
| ⇧ ⎋ | Mark all messages in all channels and DMs as read | 
| ⌥ (and click message) | Set a message as your oldest unread message | 
File Snippets
| ⌘ U | Upload a file | 
| ⌘ ↩ | Create new Snippet | 
| ⌘ ⇧ V | Paste your clipboard contents as a new text Snippet | 
Message Shortcuts
| ↑ | Edit your last message in the current channel | 
| ⇥ | Reprint the last slash command you entered | 
| @[character] ⇥ | Autocomplete @username beginning with [character] | 
| #[character] ⇥ | Autocomplete channel beginning with [character] | 
| :[character] ⇥ | Autocomplete emoji beginning with [character] | 
| ⇧ ↑ | Highlight text to the beginning of the current line | 
| ⇧ ↓ | Highlight text to the end of the current line | 
| ⇧ ↩ | Create a new line | 
Legend
  
  ⇧
  Shift
  
  ⌃
  Control
  
  ⌥
  Option
  
  ⌘
  Command
  
  ↩
  Return
  
  ⎋
  Escape
  
  ⌫
  Delete
  
  ⇥
  Tab