"Contacts Backup" is the easiest and most reliable tool to backup your contacts. It reads every single detail of all of your contacts, converts them into a Microsoft Excel file and emails the file to you. * Export all your contacts with a single tap. * Get all your contacts straight into your mailbox. * Contacts are emailed in Excel format which is easy to read. * Export can be password protected * Restoring is not available on Windows Phone yet DUE TO LIMITATION IN WINDOWS PHONE SDK PROVIDED BY MICROSOFT, but you can restore your contacts on iOS and Android devices. Visit http://c2x.eastros.com for details.