Format Excel dates and times correctly by extracting days, months, and years. Calculate business deadlines using the ...

DATEDIF(), which means Date + Dif, is a compatibility function left over from Lotus 1-2-3 that Microsoft adopted in Excel version 2000, which is the only version that explains how this function works.

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.

When you use Microsoft Excel to store and analyze business data, your workbooks and worksheets often contain date information. Although your original data may need to display full month, day and year ...

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 ...

You keep a visit log. But even if you think, 'I haven't seen that person lately,' you can't tell when they last visited without going back through the notes. Is there a way to list all customers who ...

I usually prefer writing my own logic in Excel, so I was hesitant to start using the Formula by Example tool. But when it turned my manual patterns into a perfectly structured formula, it became the ...