If you've ever started up a Mac that sat unplugged for long enough to discharge the battery that backs up its memory of the current date and time, you've seen the date January 1, 1904, replace the ...

If you would like to improve your Excel workflows and spreadsheets and in the process save a huge amount of time you might be interested in mastering Excel date functions. Once mastered this knowledge ...

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 ...

In this post, we will show you how to calculate the expiry date in Microsoft Excel. Calculating expiry dates is a common requirement when working with Excel, especially for tracking inventory, ...

Excel’s SUM, DATE, WEEKDAY, IF, Nested IF, and IF/OR functions came to mind as I was watching a 1969 film called If It’s Tuesday, This Must Be Belgium, about American tourists on a whirlwind tour of ...

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 ...