Excel may return a serial number instead of a date; because it is stored thus in the backend. Learn how to convert Serial Number to Date.

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.

How to Convert 5-Digit Julian Dates to Regular Dates in Excel. The Julian date format is a five digit number broken into two parts: a two-digit representation of the year followed by a three-digit ...

It's easy to change the date format in Microsoft Excel. You just need to use the "Date" drop-down menu, which gives you plenty of options.

Microsoft Excel depends on data that’s stored correctly. If you receive text values that should be real numbers, use one of these methods to get you back to the real work.

In Microsoft Excel, you don’t need an expression to calculate someone’s age – use Power Query to simplify the process.