To export your iPhone contacts to an Excel spreadsheet, you should first sync your contacts with iCloud. Here's what you need ...

When you connect your iPhone or iPad to a Windows PC, you'll be able to sync to it albums, songs, playlists, movies, TV shows, podcasts, books, audiobooks, photos and videos, contacts and calendars.

You can add contacts to your iPhone in three different ways to store phone numbers, email addresses, mailing addresses, ...