Exceljet

Quick, clean, and to the point

Apply or remove bold formatting

Windows shortcut 
CtrlB
Mac shortcut 
B

This shortcut toggles bolding on and off for the current selection.

On Windows, Ctrl 2 also toggles bolding.

Thank you, and thank you so very much for your videos, they are sooooo helpful. - Elizabeth
Excel foundational video course
Excel Pivot Table video training course
Excel formulas and functions video training course
Excel Shortcuts Video Course
Excel Charts video training course