Common metadata used by most address software solutions includes:
1. First Name
2. Last Name
3. Address
4. City
5. State
6. Zip Code
7. Phone Number
8. Email Address
9. Birthday
10. Anniversary Date
In addition to the previous fields, you can also consider adding the following fields to the address book database:
11. Company
12. Job Title
13. Website
14. Social Media Profiles
15. Notes
16. Custom Tags/Labels
17. Contact Groups
18. Relationship
19. Spouse/Partner Name
20. Important Dates (e.g., First Met, Last Contacted)
