Excel Filter Shortcut
Toggle Autofilter
This Excel Shortcut creates an Autofilter (Filter) on your selected data.

PC Shortcut:Ctrl+Shift+L
Mac Shortcut:⌘+⇧+F
Remember This Shortcut:
L for Filter
L for Filter
Activate Filter
This Excel Shortcut activates the drop down menu of a Filter or drop-down menu created with Data Validation.

PC Shortcut:ALT+↓
Mac Shortcut:⌥+↓