you are working with confidential data, it is recommended that you password protect such files. Word lets you create separate passwords for opening and editing files. Here's how:

~ Click the 'Office' Button.

~ Clickthe 'Save As' option from the drop-down list.

~ Click the 'Tools' option on the 'Save As' dialog box.

~ Click 'Gener.al Options' from the drop-down list.

~ Set the required passwords as per your requirements. Click 'OK'.