Ctrl+O

Updated: 10/07/2019 by Computer Hope
Ctrl+O

Alternatively referred to as Control O and C-o, Ctrl+O is a shortcut key most often used to open a new document, page, URL, or other files.

Note

This page covers the Ctrl+O (letter 'O') shortcut and not the Ctrl+0 (zero) shortcut.

How to use the Ctrl+O shortcut key

To use the keyboard shortcut Ctrl+O, press and hold either Ctrl key on the keyboard and while continuing to hold, press the "O" key with the same hand or the other hand.

Note

On Apple computer keyboards, the Ctrl key is labeled as "control."

Ctrl+O in an Internet browser

In all Internet browsers (e.g., Chrome, Firefox, and Opera), pressing Ctrl+O opens the Open window. From this window, you can choose a file to open on your computer. The file can be any file supported by the browser.

Ctrl+O in Excel and other spreadsheet programs

In Microsoft Excel and all other spreadsheet programs, pressing Ctrl+O opens the Open window and allows you to select and open an existing worksheet on your computer.

Ctrl+O in Microsoft PowerPoint

In Microsoft PowerPoint, the Ctrl+O opens the Open window and allows you to select and open an existing presentation on your computer.

Ctrl+O in Word and other word processors

In Microsoft Word and other word processor programs, pressing Ctrl+O opens the Open window and allows you to select and open an existing presentation on your computer.

Below are links to related keyboard key and keyboard shortcut pages.

Ctrl, Keyboard terms, O, Open, Shortcut key