Contacts Backup 2.5.4 is very lighter app to backup your contacts via Android device. You can download apk app on link given at end of this page. This application has capability to backup thousands of contacts in your Google account, SIM and Outlook. You can save your contacts in form of attachment of email with Google and this software can restore them only on 1 click. It supports many languages. This has only 70KB in size and supportable with android 2.2 and above. Download to make your contacts safe with Contact Backup app and enjoy. Have a nice day!