To protect calendar files with a password, use the File Properties controls (which can be accessed by selecting Collection Properties from the File menu). Two levels of protection are available

To protect a file using a password:

• Select Collection Properties under the File menu. Fill all fields in the File Properties windows and then click OK. The file is now password protected.

Note: After setting the Password you will need to save the project then when you will try to open that project then it will ask for the Password.