Contacts
The contact record, importing and adding people, and keeping them organized with tags, notes, and tasks.
The contact record: what's stored and how it's organized
A tour of the contact detail page — standard and custom fields, the activity timeline, tags, notes, and tasks — before you start adding or organizing contacts.
Add and import contacts
Add contacts one at a time or bring in a whole list at once with a CSV import — including column mapping and how duplicates are handled.
Organize contacts with tags, notes, tasks, and communication preferences
How to use tags, notes, tasks, and Do Not Disturb settings together to keep a contact list usable as it grows past a few dozen people.