Two methods on how to protect formula cells in Excel are: At those times, hiding or protecting the formula will become of utmost importance. There may be situations when you have to share these files with a colleague or boss. So, it is important to know how to lock formula cells in Excel! This may lead to errors that may be difficult to spot later. In Excel, you can easily create and edit formulas using the formula bar or double-clicking the cell itself.īecause it is that easy to edit a formula, you can accidentally enter the delete button or make any unwanted change in a formula. In this blog, you will learn two methods on how to lock formula cells in Excel.