To do Alt + A E on Mac in Excel, download and install Accelerator Keys, then press Option, followed by A, E.
Command: Text to Columns
This is how to do Alt + A E 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 + A E text to Columns opens the wizard to split cell contents into multiple columns. This is useful for separating data like names (first, last) or addresses that were imported into a single column.