Can you do this on MSOffice?
Sure you can't..... But you can do it on Windows...
I tried it and it is very easy to use .....
Each colour is a diferent person writing on the same file from diferent computers, at the same time...... UAUUUUUUUUUUUUUUUU....
Abiword is a standalone word processor, available on Linux, Windows, and Macosx and with more feature than you will ever need....
Find out more at http://www.abisource.com/