Try it!
If you change the formatting of text or images and then decide you don't like it, you can undo it.
Undo formatting
Select Undo 
Clear All Formatting
- 
                  Select the text with the formatting you want to clear. 
- 
                  Select Home > Clear All Formatting 
Reset Picture
If you made changes to a picture and later want to undo the changes:
- 
                  Select the picture. 
- 
                  Select Picture Tools > Format. 
- 
                  Select Reset Picture. 
 
                         
				 
				