To do Alt + L H on Mac in Excel, download and install Accelerator Keys, then press Option, followed by L, H.
Command: Checkbox (Form Control)
This is how to do Alt + L H on Mac in Excel with Accelerator Keys, the native ribbon and alt key shortcut solution for Mac users who get more done with Excel.
Alt + L h inserts a Checkbox form control. Checkboxes allow users to toggle options on or off. You can link a checkbox to a cell that will display TRUE when checked or FALSE when unchecked, useful for interactive forms and dashboards.