To do Alt + N S T on Mac in Excel, download and install Accelerator Keys, then press Option, followed by N, S, and T.
Command: Timeline
This is how to do Alt + N S T 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 + N S T inserts a Timeline filter for PivotTables containing date fields. Timelines let you filter data by time periods (days, months, quarters, years) using a visual slider, making date-based analysis intuitive and interactive.