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 ...

Office solution: Clearing up that wacky date problem when copying sheets Your email has been sent This week, learn the solution to the last Office challenge: Why does Excel change dates when I copy a ...

If numbers keep changing to dates automatically in Excel or if Excel changes dates to random numbers then this post will help you fix the issue. As reported by some users, whenever they enter a number ...

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.

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 ...

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.

Q. Help! I imported 140,000 rows of data into Excel with each row containing two-digit-year dates formatted as text, but I need to display four-digit-year dates. I’ve tried numerous approaches ...