How to Make Colors Change With Validation in Excel. Excel's conditional formatting tool applies formatting depending on cells' contents. Validation rules can change cells font, style, size or border.

It's easy to change the date format in Microsoft Excel. You just need to use the "Date" drop-down menu, which gives you plenty of options.

Set Current Date in Excel The easiest way to add the current date in Excel is to simply type the date. For instance, typing "2018-07-31" in a cell is automatically detected as a date.

The default active cell format in Microsoft Excel isn't all that easy to see, but you can use this easy-to-implement code solution to change that.

Learn how to create a drop-down list in Excel without or with color using conditional formatting and data validation rules.