just follow these simple steps to make your document protected -Click on the Microsoft Office Button present on the top left corner of the window. -Now Click on the Save As option -Now a new window will pop up. -Click on Tools option at the bottom of the window. -Now click on General Option. -You can select either one or both options -One is Password To Open it will ask for the password every time the document is opened. -So to view the document you have to enter the password first. -Second is Password To Modify it will ask for the password every time somebody tries to modify the document.