Excel contacts App can copy all the Phonebook contacts write it to excel file which can be kept as record on email or your sdcard
Similarly if you have new device and the Excel file from the contact you can import that file and write it to contact phonebook of Android
Here is the informative link for the App
App can be Downloaded here
Rated, reviewed and G+ as Juan Manuel Ganancias.
Mine is: https://play.google.com/store/apps/details?id=air.com.thespottedmonster.Pop
Please remember to keep the app installed for at least a week so google don’t discard the review.