A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
Select the cell(s). In the following, I will assume that B2 is the active cell within the selection.
On the Home tab, select Conditional Formatting > New Rule...
Select 'Use a formula to determine which cells to format'.
Enter the formula
=AND(B2<>"",B2<=TODAY()-60)
Remember, B2 is the active cell.
Click Format...
Activate the Fill tab,
Select red.
Click OK, then click OK again.