MS Office - Convert UPPERCASE To lowercase Letters

Convert an ALL CAPITAL text string to lowercase letters, using MS Office.

Consider the following ALL CAPS text:

ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN, EIGHT, NINE

Select the full string and press the key combination Shift + F3 and the ALL CAPS text is converted into lowercase. The text should look like this:

one, two, three, four, five, six, seven, eight, nine

Press the Shift + F3 key combination again, and the text will now look like this:

One, Two, Three, Four, Five, Six, Seven, Eight, Nine

Bonus:  Convert text strings to uppercase or lowercase online here.