Anyways this is my Article about HOW TO EXPORT ANDROID CONTACTS TO EXTERNAL SD CARD WITHOUT ANY APP. So lets begin!
•Open contacts and Select menu
•When selecting the menu you can see some options, here choose Import/Export
•By choosing Import/Export a pop window appears, here select export to SD Card option
•Done, your contacts are stored in external SD Card.
•Open my files/select external SD or Internal SD Card/you can find your contacts as contacts.vfc
Well, are your contacts are safe? If not do it immediately.