To do Alt + H V K on Mac in Excel, download and install Accelerator Keys, then press Option, followed by H, V, K.
Command: Paste Keep Source Formatting
This is how to do Alt + H V K 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 V K paste Keep Source Formatting pastes everything with the original formatting intact. This copies the exact appearance of the source cells to the destination.