Trying to use an Excel Date and Time function, but Excel returns a serial number instead of date; this is because Excel stores dates and times in serial numbers in the backend; for instance, when you ...

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. If ...

If you want to use a date format according to how another language displays dates, choose the language in Locale (location).

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 ...