Alternatively known as Control+1 and C-1, ^1, Ctrl+1 is a keyboard shortcut often used to switch to the first tab in an Internet browser or other programs with tab support.
How to use the Ctrl+1 keyboard shortcut
To use this keyboard shortcut, press and hold either Ctrl key, and while continuing to hold, press 1.
- How to use the Ctrl+1 keyboard shortcut.
- Ctrl+1 in Microsoft Excel.
- Ctrl+1 in an Internet browser.
- Ctrl+1 in Microsoft Word.
- Related keyboard shortcuts and keys.
- Related information.
- Computer keyboard shortcuts.
Ctrl+1 in Microsoft Excel
In Microsoft Excel and all other spreadsheet programs, pressing Ctrl+1 opens the Format Cells window.
For this shortcut, you need to use 1 above the top row keys, not on the numeric keypad.
- Full list of Excel shortcuts.
Ctrl+1 in an Internet browser
With all major Internet browsers (e.g., Chrome, Edge, Internet Explorer, Firefox), pressing Ctrl+1 switches to the first tab.
- Firefox shortcuts
- Google Chrome shortcuts
- Internet Explorer shortcuts
Ctrl+1 in Microsoft Word
In Microsoft Word, pressing Ctrl+1 changes a line, paragraph, or all highlighted text to have single spacing.
Related keyboard shortcuts and keys
Below are links to related keyboard shortcuts and individual key pages.
You may also press Ctrl+2 to set the line spacing to double, or Ctrl+5 to set it to 1.5 spaces per line.
- Ctrl+0
- Ctrl+2
- Ctrl+3
- Ctrl+4
- Ctrl+5
- Ctrl+6
- Ctrl+7
- Ctrl+8
- Ctrl+9
- Ctrl
Ctrl, Keyboard shortcut, Keyboard terms
Related information
- Computer keyboard shortcuts.
- Top 10 keyboard shortcuts everyone should know.
- Keyboard help and support.