Alternatively written as Control+4, ^4, and C-4, Ctrl+4 is a keyboard shortcut often used to switch to the fourth tab in an Internet browser or other programs with tab support.

How to use the Ctrl+4 keyboard shortcut

To use this keyboard shortcut, press and hold either Ctrl key, and while continuing to hold, press 4.

  • How to use the Ctrl+4 keyboard shortcut.
  • Ctrl+4 in Microsoft Excel 2019.
  • Ctrl+4 in an Internet browser.
  • Related keyboard shortcuts and keys.
  • Related information.
  • Computer keyboard shortcuts.

Ctrl+4 in Microsoft Excel 2019

In Microsoft Excel 2019, pressing Ctrl+4 toggles the underline text feature on and off for a cell.

For this shortcut, you need to use 4 above the top row keys, not on the numeric keypad.

  • Full list of Excel shortcuts.

Ctrl+4 in an Internet browser

With all major Internet browsers (e.g., Chrome, Edge, Edge, Internet Explorer, Firefox), pressing Ctrl+4 switches to the fourth tab.

You can also use the Ctrl+U shortcut to italicize text in Excel.

  • Firefox shortcuts
  • Google Chrome shortcuts
  • Internet Explorer shortcuts

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

  • Ctrl+0
  • Ctrl+1
  • Ctrl+2
  • Ctrl+3
  • Ctrl+5
  • Ctrl+6
  • Ctrl+7
  • Ctrl+8
  • Ctrl+9
  • Ctrl
  • Ctrl+U

Ctrl, Keyboard shortcut, Keyboard terms

  • Computer keyboard shortcuts.
  • Top 10 keyboard shortcuts everyone should know.
  • Keyboard help and support.