Address books and contacts

File Format
Name	Address books and contacts
Ontology	Electronic File Formats Address books and contacts

See also Calendars; E-Mail, newsgroups, and forums.

Data interchange formats

• h-adr (Microformats)
• h-card (Microformats)
• LDAP (Lightweight Directory Access Protocol)
  • LDIF (LDAP Data Interchange Format)
• vCard (.vcf)

Program-specific formats

• Cardfile (.crd)
• Microsoft Outlook contacts: Stored as part of the Personal Folder File - See also Microsoft Outlook
• Mozilla Thunderbird address book - See also Thunderbird
• Notes Storage Facility (Lotus Notes; holds calendars, contacts, e-mail, and other things)
• Novell GroupWise Address Book (.nab)
• Pegasus Mail (has many file types including one for contacts)

Cell phone contact formats

• AddressBook (Apple)
• CDMA phone data
• Google Contacts (cloud-based, used in Google services and synced to Android devices)
• Nokia contact data
• SIM contact data
• Windows Mobile contact data