Upload a vCard (.vcf) or CSV file
Format detected from file extension. Override below if needed.
CSV columns (case-insensitive, only name required):
name
name, tier, email, phone, birthday, city, country, notes, tags, anniversary
Tiers: close_family, family, close_friend, friend, professional, acquaintance, network
close_family, family, close_friend, friend, professional, acquaintance, network