All caps refers to text that appears in all capital letters. Initial caps refers to text that appears with the first letter of each sentence capitalized. It is difficult to read large blocks of text in all caps; plus, in most cases, all caps is construed as yelling. Microsoft Word 2007 allows you to change the capitalization of text. You can choose between all caps, initial caps and all lowercase.
Press “CTRL” and “A” to select all the text in a document. You also have the option of selecting portions of the text by clicking and dragging the cursor over the text
Press “Shift” and “F3.” The document changes to all lowercase.
Press “Shift” and “F3” again to change the document to initial caps.