General Navigation

Open User Settings
Ctrl,
Open Keyboard Shortcuts Menu
Ctrl/
Create or Join a Server
CtrlShiftN
Navigate Back
Alt

Search & Pickers

Search in Current Channel
CtrlF
Search Across All Channels
CtrlShiftF
Open Emoji Picker
CtrlE
Open GIF Picker
CtrlG

Messages & Channels

Browse Channel Message History (older / newer)
Ctrl/Ctrl
Edit Your Last Message
Shift
Cancel Message or Mark Channel Read
Esc
Move Between Channels
Alt/Alt
Quick Switcher (Channels / DMs)
CtrlK

Voice & Servers

Mute / Unmute Microphone
CtrlShiftM
Deafen / Undeafen Audio
CtrlShiftD
Switch Between Servers
CtrlAlt/CtrlAlt

Accessibility & UI

Navigate Interactive Elements
Tab
Activate Selected Element
EnterorSpace
Navigate Messages & Menus
Arrow keys
Toggle Pins Popout
CtrlP
Toggle Mentions Popout
CtrlAlt@
Toggle Channel Member List
CtrlU
Upload a File
CtrlShiftU
Get Help
CtrlShiftH

Text Formatting

Bold Text
CtrlB
Italic Text
CtrlI
Underline Text
CtrlU
Start / Stop Inline Code Block
CtrlShiftM

Discord documents the same combo for mute and inline code in some views—press Ctrl/ in-app for your current context. Use markdown for rich formatting.

General Navigation

Open User Settings
,
Open Keyboard Shortcuts Menu
/
Create or Join a Server
N
Navigate Back
Alt

Search & Pickers

Search in Current Channel
F
Search Across All Channels
F
Open Emoji Picker
E
Open GIF Picker
G

Messages & Channels

Browse Channel Message History (older / newer)
/
Edit Your Last Message
Cancel Message or Mark Channel Read
Esc
Move Between Channels
/
Quick Switcher (Channels / DMs)
K

Voice & Servers

Mute / Unmute Microphone
M
Deafen / Undeafen Audio
D
Switch Between Servers
/

Accessibility & UI

Navigate Interactive Elements
Tab
Activate Selected Element
ReturnorSpace
Navigate Messages & Menus
Arrow keys
Toggle Pins Popout
P
Toggle Mentions Popout
@
Toggle Channel Member List
U
Upload a File
U
Get Help
H

Text Formatting

Bold Text
B
Italic Text
I
Underline Text
U
Start / Stop Inline Code Block
M

See / in Discord for the full list for your client. Markdown options: Discord help.

More chat & meetings: SlackZoomMicrosoft Teams