To do Alt + N M 1 C on Mac in Excel, download and install Accelerator Keys, then press Option, followed by N, M, 1, and C.
Command: SmartArt Cycle
This is how to do Alt + N M 1 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 + N M 1 C opens the SmartArt Cycle gallery to insert circular diagrams. Cycle SmartArt is ideal for illustrating recurring processes, continuous workflows, or relationships that loop back to the beginning.