This App is not compatible with Smartphones and Tablets. Please try this in desktop or laptop.
Excellent!

Excel Select All Precedents or Dependents Shortcuts

Select All Precedents

This Excel Shortcut selects all precedents for the selected cell.

PC Shorcut:Ctrl+Shift+{
Mac Shorcut:^++{

Select All Dependents

This Excel Shortcut selects all dependents for the selected cell.

PC Shorcut:Ctrl+Shift+}
Mac Shorcut:^++}