What is the shortcut key to convert small letter into capital letter in Microsoft office word 2007?

Press SHIFT KEY + F3  Key to change upper case letter to lower case letter and press the same to change a lower case to upper case

Press Shift + F3 words convert in small letters to capital letters and also converted from lower letters to upper letters.

Hold down the Shift key and press F3 

Hold down the Shift Key and press F3 to change the uppercase to lowercase or vice versa.

Press Shift F3 to convet small letter into capital letter & viceversa