The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Stefano Caschi:
Contacts Backup over Email."Email Contacts" easily allows you to put into a secure place your appointments and the phone book! With this App you can, within a few seconds and just in a touch, back up your phone book (your contacts) and the calendar (appointments), even without using iTunes.You can also transfer contacts and appointments from an iOS phone into another phone (between iPhone, from iPhone to iPad or iPodTouch, from iPhone to iMac, from iPad to iPhone etc...).It is necessary only send to yourself an automatically generated email.Features:- Full backup of the address book in vCard format;- Full backup of your appointments in vCalendar format;- Small backup in csv file format (Excel compliant);- Backup sending by e-mail;- Backup download (vCard, vCalendar and csv) even through iTunes (in the specific shared documents section).You can restore contacts anytime into any iOS device (or another compatible with the format vCard and/or vCalendar).