Alternatively written as Control+Space and C-space, Ctrl+Space is a keyboard shortcut often used to select an entire column in Excel and other spreadsheet programs.
How to use the Ctrl+Spacebar keyboard shortcut
Ctrl+Spacebar in Excel and other spreadsheet programs
The keyboard shortcut Shift+spacebar selects the entire row containing the active cell.
Related keyboard shortcuts and keys
Below are links to related keyboard shortcuts and individual key pages.