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 ...

Excel displays the original number up to 11 digits. When you enter a number that has more than 11 digits, Excel does not display the original value. Instead, it displays the number in the exponential ...

When you enter a date that's formatted with slashes, Excel will recognize it as a date. For example, Excel will automatically choose the date format for a cell that contains 11/11/19. You can set ...