Alternatively known as Cmd+B, Command+B is a keyboard shortcut often used to toggle bold text on and off.

How to use the Command+B keyboard shortcut

To use this keyboard shortcut, press and hold either Command key, and while continuing to hold, press B.

On Windows computers, the keyboard shortcut for bold is Ctrl+B.

  • How to use the Command+B keyboard shortcut.
  • Command+B in Excel and other spreadsheet programs.
  • Command+B in Word and other word processors.
  • Using Command+B in an Internet browser.
  • Related information.
  • Computer keyboard shortcuts.

In many programs, this keyboard shortcut has two purposes: change highlighted text to bold or unbold (depending on its current state), or start typing bold text at the cursor’s location.

  • How to highlight or select text.

Command+B in Excel and other spreadsheet programs

In Microsoft Excel and all other spreadsheet programs, pressing Command+B when one or more cells is selected will bold or unbold them. If you’re editing the contents of a cell with no selected text, Command+B toggles bold on and off.

  • Full list of Excel shortcuts.
  • Google Sheets shortcuts.

Command+B in Word and other word processors

In Microsoft Word and other word processors, highlighting text and pressing Command+B makes the text bold. If the text is already bold, pressing Command+B unbolds the text. Pressing Command+B without anything highlighted starts typing bold text at the cursor’s location.

  • Full list of Microsoft Word shortcuts.
  • How to highlight or select text.

Using Command+B in an Internet browser

The Command+B keyboard shortcut serves different purposes depending on the Internet browser. For example, in Firefox, Command+B displays the bookmarks folder. However, in Safari and other browsers, Command+B does not currently have a function.

  • Firefox shortcuts

Below are links to related keyboard shortcuts and individual key pages.

  • Command

B, Bold, Cmd, Keyboard shortcut, Keyboard terms

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