When you set options on the AutoFormat As You Type tab, Word can automatically format text as you are typing your document. For example, if you type a number followed by a period or hyphen, followed by a space or tab, followed by text, Microsoft Word makes the text a numbered list.
1.Click the File tab.
2.Under Help, click Options.
3.Click Proofing, under AutoCorrect Options, click AutoCorrect Options, click the Auto Format As You Type tab.
6. Select or clear the check boxes for the options that you want to enable or disable.