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.

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.

When you type a seven-or-ten-digit phone number into an Excel cell that uses the phone number format, Excel will automatically change the way the number looks so that it appears as a phone number ...