You can change the view to display formatting marks, a period for space and an arrow for tabs. : Formatting Marks « Style Formatting « Microsoft Office Word 2007 Tutorial

1. Microsoft Office Word 2007 Tutorial
2. Style Formatting
3. Formatting Marks

Click the Home tab

Then click Show/Hide button to toggle on and off.

Click the Office button

Then click Word Options

Then click Display

Select the formatting mark check boxes

3.5.Formatting Marks
	3.5.1.	You can change the view to display formatting marks, a period for space and an arrow for tabs.