What are the Slack keyboard shortcuts for bold, italic, and strikethrough?

Slack formatting shortcuts: Bold = Ctrl+B (Cmd+B on Mac), Italic = Ctrl+I (Cmd+I on Mac), Strikethrough = Ctrl+Shift+X (Cmd+Shift+X on Mac), Inline Code = Ctrl+Shift+C (Cmd+Shift+C on Mac).

How do I create a code block in Slack?

To create a code block in Slack, press Ctrl+Alt+Shift+C (Windows) or Cmd+Alt+Shift+C (Mac), or type three backticks (```) and press Enter to start a multi-line code block.

All Shortcuts

Slack Keyboard Shortcuts: Bold, Italic, Strikethrough & Code (2026)

Q: How do I bold text in Slack?

To bold text in Slack, select the text and press Ctrl+B on Windows or Cmd+B on Mac. You can also surround text with asterisks: *bold text*.

Q: How do I make italic text in Slack?

To make italic text in Slack, select text and press Ctrl+I on Windows or Cmd+I on Mac. You can also wrap text in underscores: _italic text_.

Q: How do I strikethrough text in Slack?

To strikethrough text in Slack, select text and press Ctrl+Shift+X on Windows or Cmd+Shift+X on Mac. You can also wrap text in tildes: ~strikethrough~.

Q: What is the Slack shortcut for inline code?

The Slack inline code shortcut is Ctrl+Shift+C on Windows or Cmd+Shift+C on Mac. For a multi-line code block, use Ctrl+Alt+Shift+C (Windows) or Cmd+Alt+Shift+C (Mac), or wrap text in triple backticks (```).

Q: How do I undo in Slack?

To undo in Slack, press Ctrl+Z on Windows or Cmd+Z on Mac. This works in the message composer to undo your last typed or formatted action.

Q: What are all Slack formatting shortcuts for Windows and Mac?

Slack text formatting shortcuts: Bold = Ctrl+B / Cmd+B, Italic = Ctrl+I / Cmd+I, Strikethrough = Ctrl+Shift+X / Cmd+Shift+X, Inline Code = Ctrl+Shift+C / Cmd+Shift+C, Code Block = Ctrl+Alt+Shift+C / Cmd+Alt+Shift+C. Navigation: Quick Switch = Ctrl+K / Cmd+K, Undo = Ctrl+Z / Cmd+Z.

Q: How do I edit my last message in Slack?

Press the Up arrow key to instantly edit your last sent message in Slack. This works in any channel or DM.

Complete Slack keyboard shortcuts for text formatting, navigation, and messaging — for both Windows and Mac.

Slack Text Formatting Shortcuts

These are the most-searched Slack shortcuts. All formatting shortcuts work on selected text, or toggle the format on/off when nothing is selected.

Format	Windows	Mac	Markdown Alternative
Bold	`Ctrl`+`B`	`Cmd`+`B`	bold
Italic	`Ctrl`+`I`	`Cmd`+`I`	_italic_
Strikethrough	`Ctrl`+`Shift`+`X`	`Cmd`+`Shift`+`X`	~strikethrough~
Inline Code	`Ctrl`+`Shift`+`C`	`Cmd`+`Shift`+`C`	`code`
Code Block	`Ctrl`+`Alt`+`Shift`+`C`	`Cmd`+`Alt`+`Shift`+`C`	```code```

Quick answer: Slack formatting shortcuts — Bold: Ctrl+B / Cmd+B | Italic: Ctrl+I / Cmd+I | Strikethrough: Ctrl+Shift+X / Cmd+Shift+X | Inline Code: Ctrl+Shift+C / Cmd+Shift+C

Navigation Shortcuts

Shortcut (Windows)	Shortcut (Mac)	Action
`Ctrl`+`K`	`Cmd`+`K`	Quick switch — jump to any channel, DM, or person
`Ctrl`+`Shift`+`K`	`Cmd`+`Shift`+`K`	Open Direct Messages list
`Alt`+`↑` / `↓`	`Option`+`↑` / `↓`	Navigate to previous / next channel
`Alt`+`Shift`+`↑` / `↓`	`Option`+`Shift`+`↑` / `↓`	Jump to unread channel or DM
`Ctrl`+`Shift`+`T`	`Cmd`+`Shift`+`T`	View all threads
`Ctrl`+`/`	`Cmd`+`/`	View all keyboard shortcuts

Messaging Shortcuts

Shortcut (Windows)	Shortcut (Mac)	Action
`Ctrl`+`Enter`	`Cmd`+`Enter`	Send message
`↑` (Up arrow)	`↑` (Up arrow)	Edit your last sent message
`Ctrl`+`Z`	`Cmd`+`Z`	Undo last action in message editor
`Ctrl`+`U`	`Cmd`+`U`	Upload a file
`Ctrl`+`Shift`+`\`	`Cmd`+`Shift`+`\`	Open emoji reaction picker

Pro Tips

You can combine formatting: select text and press Ctrl+B then Ctrl+I for bold italic
Press Up arrow in any channel to instantly edit your last message — no need to scroll
Use Ctrl+K (Cmd+K) to jump anywhere in Slack without touching your mouse
Markdown syntax works too: *bold*, _italic_, ~strikethrough~, `inline code`, ```code block```

Frequently Asked Questions

What are the Slack shortcuts for bold, italic, strikethrough, and inline code?

Bold = Ctrl+B (Cmd+B) · Italic = Ctrl+I (Cmd+I) · Strikethrough = Ctrl+Shift+X (Cmd+Shift+X) · Inline Code = Ctrl+Shift+C (Cmd+Shift+C). Select your text first, then press the shortcut.

How do I bold text in Slack?

Select the text and press Ctrl+B on Windows or Cmd+B on Mac. Alternatively, surround text with asterisks: *bold text*

How do I make italic text in Slack?

Select text and press Ctrl+I on Windows or Cmd+I on Mac. Or wrap text in underscores: _italic text_

How do I strikethrough text in Slack?

Select text and press Ctrl+Shift+X on Windows or Cmd+Shift+X on Mac. Or wrap in tildes: ~strikethrough~

What is the Slack shortcut for inline code?

Press Ctrl+Shift+C (Windows) or Cmd+Shift+C (Mac). For a multi-line code block, use Ctrl+Alt+Shift+C or type three backticks ``` and press Enter.

How do I undo in Slack?

Press Ctrl+Z on Windows or Cmd+Z on Mac to undo your last action in the message composer.

How do I edit my last message in Slack?

Press the Up arrow key in any channel or DM to instantly edit your most recently sent message.

Do Slack formatting shortcuts work on mobile?

On mobile, use the formatting toolbar that appears above the keyboard. Tap the Aa button to reveal bold, italic, strikethrough, and code options. Keyboard shortcuts only apply to desktop.

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