To do Alt + W C on Mac in Excel, download and install Accelerator Keys, then press Option, followed by W, C.
Command: Custom Views
This is how to do Alt + W C 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 + W C custom Views saves and restores display settings including print settings, hidden rows/columns, Filter states. This lets you quickly switch between different views of your data.