How to convert capital letters to lower case letters

1. You had the Caps Lock key set for the entire document or
2. You typed the document in a font with All Caps or Small Caps set.

In the first situation, do this:

1. Select all the text by pressing CTRL/A.
2. Press SHIFT/F3 repeatedly to cycle through three types of cases: UPPER, lower and Sentence.

In the second situation, do this:

1. Select all the text by pressing CTRL/A.
2. Click in the text and select Font from the pop-up menu.
3. Uncheck the All Caps and Small Caps checkboxes.
4. Click OK.