Solution:
Step 1 - Tools > Database Utility > Backup
Step 2 - Check Server Name > Database > Click Test Connection > OK > Next
Step 3 - Choose Backup Folder > Key in backup file name > Click Backup
*If key in Password here , then when the time you restore this backup file , you need to key in that password.
Backing up..
Step 4 - You can find the file here
(Follow your file path chosen for Backup Folder)
*File type for QNE backup file is QNEBAK
You may copy this file to other drive / pendrive for secure purpose.