Excel open shortcut key (Ctrl + O)
Here are shortcut keys to open other existing files from the current file in Excel.
This shortcut key allows you to quickly open another existing file when you are working in Excel and want to check data in another file. The following shortcut keys are available for Windows and Mac.
Shortcut key to open an existing file
Windows
Ctrl + O
Access Key: Alt+ F + O
Mac
command + O
Open an existing file with a shortcut key
Use shortcut keys to open other existing files.
Total Time: 1 minute
Currently file

The currently open file is displayed. From this state, you can use shortcut keys to open another existing file.
The Open will appear

Press Ctrl + O or Alt + F + O to display the Open of the File tab.
Select browse

Press Enter. Use ↓ (Down Arrow key) to select Browse.
Select a file

Press Enter to display the Open dialog box. Select the existing file you are interested in using the Tab and ↓ (Down Arrow key), and press Enter.
File Open

Another existing file was opened.