The shortcut Ctrl+O is to bring you to the "Open" command in the "File" tab.
Step 1: Click anywhere in an open worksheet, e.g., A1;
Step 2: Press and hold the "Ctrl" key, then click the letter "O" from the keyboard.
Ctrl+O: Opens a Workbook
The shortcut Ctrl+O is to bring you to the "Open" command in the "File" tab.
Step 1: Click anywhere in an open worksheet, e.g., A1;
Step 2: Press and hold the "Ctrl" key, then click the letter "O" from the keyboard.