Word2013 How to replace uppercase and lowercase letters
Method One: General operation
Open the Word document, select English, and then on the Start tab, click the Change Case icon, open the menu, and select the appropriate format, such as Select All caps.
Word2013
The effect is shown in the following illustration.
Word2013
Method Two: Font format
Select English, and then right-click to select the Font option.
Word2013
Open the Font dialog box, select the check box before small caps or all uppercase letters (for example) in the Font tab, and then click OK.
Word2013
This also enables the English lowercase to be converted to uppercase, as shown in the following figure.
Word2013
Method Three: Shortcut keys
Select English Font, repeat the shortcut key "Shift+f3", you can achieve all capital letters, all lowercase letter and the first character capitalization of 3 states switch between.