Excel's data validation feature is more versatile than you might think. Learn how to use literal values, input values, list values, and even formulas to restrict input date values using data ...

If you need to calculate dates in your spreadsheets, Excel uses its own unique system, which it calls Serial Numbers. Every date (month, day, year) and time (hour, minute, and second) has an ...

As you create Excel spreadsheets for your small business, time and date functions frequently add both convenience and programming capability to your workbooks. There's good news with date functions.

Create a Formula for Entering a Series of Incremental Times in Excel Your email has been sent To generate a series of incremental time values, you must first know how to use Excel's TIME() function.

Q. When I paste a large amount of data into Excel containing dates as far back as the 1800s, the recent dates display correctly as valid dates, but the older dates automatically convert to text. I ...