Excel Encryption Advanced Tool

Encrypt excel document to Prevent copy,Prevent edit and authorized to read.You can encrypt excel document into exe files that can only be opened when a Read Password is provided, and users can only open the encrypted excel document after obtaining the Read Password provided by you. When a user wants to open the encrypted excel document, the encrypted excel document will pop up a dialog Box to request the user to enter a Read Password. This dialog box will display the machine ID of the user`s computer. The user can send his/her own machine ID to you, and