Auto formatting in word can be a PITA, but you can turn it off really easily –
Word 2002 or Word 2003
1.Start Word.
2.On the Tools menu, click AutoCorrect (Or Autoformat) Options.
3.Click the AutoFormat As You Type tab.
4.Under Replace as you type, Apply as you type, and Automatically as you type, select or clear the check boxes for the options that you want to enable or disable. After you do this, you can format these items manually.
5.Click OK.
Word 2007 or Word 2010
1.Start Word.
2.In Word 2007, click the Microsoft Office Button, and then click Word Options.
In Word 2010, select Options from the File tab.
3.Click Proofing, and then click AutoCorrect(or Autoformat) Options.
4.On the AutoCorrect tab, click to select or to clear the check boxes for the options that you want to enable or disable. After you do this, you can format these items manually.
5.Click OK two times.(