Samsung Smart Switch is an app (and website) designed to help users easily transfer their data from their old device to their new Samsung device. It supports transferring data from Android, iOS, Windows Mobile, and Blackberry devices to Samsung smartphones, tablets, and wearables. The app allows users to transfer contacts, messages, photos, videos, music, calendar events, memos, alarms, and Wi-Fi settings from their old device to their new Samsung device. The Smart Switch app also supports transferring data from Samsung devices to other Samsung devices, and from iTunes and iCloud backups to Samsung devices. The app is available for free on the Google Play Store and Apple App Store.
This software helped me transfer contacts from Outlook to my Galaxy S7. It works great.