User manual
Returnstar Interactive Technology Group Co., Ltd. 
23 
Encrypt a File: You can encrypt .cdf file. The encrypted file cannot be opened without correct 
password. Click “File > Encrypt” on Menu Bar to encrypt current file. 
Auto-save: Auto-save function can minimize your data loss in case of unexpected problems. 
Click “File > Auto-save” on Menu Bar to set Auto-save function. 
Note: Password can be any character (case sensitive), with length up to 8 characters. 
Please be sure to remember the password after setting. Our company does not provide any 
service to crack any encrypted file.










