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.

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.

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 ...

Excel filters help you find exactly what you want, no matter how big your spreadsheet database is. Here's how to set number, text and data filters.