When you enable the "Keep formatting tracking" feature in the Word2007 document and then enable the Mark format inconsistency error feature, you can use a blue wavy underline to mark text with similar formatting but not exactly the same when you execute the Select Formatted Text command. The steps to enable the tag format inconsistency error feature are described below:
Step 1th, open the Word2007 document window, and click the Office Button → Word Options button, as shown in Figure 2012040316.
Figure 2012040316 Click the Word Options button
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 2012040317.
Figure 2012040317 Selecting the Mark Format inconsistency error check box