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.

Subtraction is the easiest way to count days between two dates in Excel. You can use the arithmetic operator – (minus sign) to subtract one date from another to find the number of days between them.

When you enter a number into an Excel cell that looks like a date, such as "Jun-1" or "6/1," Excel automatically adjusts the format of the cell to display a date, so you may not know that Excel ...