One of the many features of Excel is being nosy. That's right, you can quickly calculate a persons age as long as you have their birth date.

Excel provides built-in tools to help you to find discrepancies like Filters, Conditional Formatting, advanced functions (If and IS, VLookUp, etc.), and Add-ins.

Now, letâ s create another function where you need to calculate the age of your customer based on the date of birth included in the database.

Filters are great tools, but you can't remove specific items from the results. When you need to do this, try Find All in Excel instead.

Percentages aren't always easy to calculate, but one of the best tools in Excel's toolbox is calculating percentages for you. Here's how to do it.