You can add more information if you want or need to, but a simple approach is always best. Date range covered in the timesheet (day, week, or month).The most common approach is to add the following basic labels: How to protect cells and the timesheet Adding basic labelsįirst, you'll need to decide what kind of basic data you need in your Excel time sheet. A visual guide to help you create and manage your daily, weekly, and monthly work hours in Excel timesheet templates with formulas.