To turn off the gridlines, choose Tools>Options
On the View tab, under Window options, remove the
checkmark from Gridlines
Click OK
You can also add a button to your toolbar, to make it easier to hide or
show the gridlines.
Choose Tools>Customize
Select the Commands tab
From the Categories list, select Forms
Scroll down through the list of commands, to find 'Toggle Grid'
Drag the Toggle Grid button to one of your existing toolbars
Click the Close button.
Click the Toggle Grid button when you want to hide or show the gridlines
