Another option is to use a Workbook_SheetChange event VBA item. Right Click on the Excel icon to the left of "File" on the main menu and click on "View Code"

This opens the VBA Editor to the ThisWorkbook module. Select "SheetChange" from the right hand drop down menu above the pane on the right side. Enter this code in the main pane:

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Private Sub Workbook_SheetChange(ByVal Sh As Object, ByVal Target As Range)
Application.EnableEvents = True
ActiveCell.Offset(-1, 1).Select
If ActiveCell.Column = 3 Then
ActiveCell.Offset(1, -2).Select
End If
If ActiveCell.Column > 3 Then
ActiveCell.Offset(1, -1).Select
End If
End Sub

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Enter data in col A, the cell pointer moves RIGHT one cell.
Enter data in col B, the cell pointer moves DOWN one row and LEFT one cell.
Enter data in col C and beyond, cell pointer moves DOWN one cell.

HTH

Bruce