To do Alt + H 2 on Mac in Excel, download and install Accelerator Keys, then press Option, followed by H, 2.
Command: Italic
This is how to do Alt + H 2 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 + H 2 italic toggles italic formatting on the selected cells. Italics are often used for emphasis, notes, or to distinguish certain types of data.