HELP
It is a supper fetures, with the help of this feature you and your suggested friends or partners comunicate/share files into a supper protected way. First open your application, by default it will be into ENCODE FILE tab if not then click on "ENCODE FILE" Tab, now click on "Browse" for select a file
that you want to protect. set your password that you will be able to remember, now re enter your password then click on "Enable authorization" for select it. if you want only you will decode your file
then don't enter any user id into any user ID input field. If you want your file will be decode by you and your permitted friends then Put every friend USER ID, who also will be able to decode your file from their copy of application. Application will support You + upto 5 friends who will be able to decode your encoded file.
Now send your file and password by mail or any other electronics way to your friend, if your file and password both will stollen by any third party then they will not abel to decode your file from their application. 
How to get USER ID of your friends application? Tell your friend to go to their applications "Help&Settings" tab here he will find his 7 digit UNIQUE ID and send this Id to you .
REMEMBER This facility is not available on Trial application because every trial version UNIQUE ID is same for all users. also all trial version encoded file will be decoded by licensed version (using correct password) but any licensed version encoded file will not be decoded by any trial version with correct password.