In this video we discuss how to use the keyboard shortcut keys to quickly apply bold text to a cell or an entire worksheet in excel. We go through a detailed example step by step Transcript/notes The keyboard shortcut to apply bold text is control plus B. As an example, I will left click on cell A1, so it is highlighted, then I will hold down the control key, and hit the B key, and now the cell is in bold. I will hit control z to undo, and if you want to bold the entire worksheet, then hold down control and hit the A key, this will highlight the entire worksheet, and then hold down control and hit B. Now the worksheet is in bold, and any new entries will also be in bold.