When you enable the Maintain formatting tracking feature in a Word 2010 document and then enable the Mark format inconsistency error feature, you can use a blue wavy underline to mark text that is similar in format but not identical when you perform the select text with similar format command. The steps to enable the tag format inconsistency error feature are described below:
Step 1th, open the Word 2010 document window, and click the file → options button, as shown in Figure 2012010103.
Figure 2012010103 Selecting the Options command
Step 2nd, open the Word Options dialog box and switch to the Advanced tab. In the Edit Options area, select the Keep formatting tracking check box, and also select the mark formatting inconsistencies error check box, as shown in Figure 2012010104.
Figure 2012010104 Selecting the Mark Format inconsistency error check box