1. From a report that returns lead, contact, or person account records, click Add to Campaign.If the Add to Campaign button is disabled, modify your report to return fewer than 50,000 records.
2. Enter the name of a campaign.
3. Select a member status for the new members.
4. Choose whether members already associated with the campaign keep their status. If you want, update their status with the one you selected for new members.
5. In Lightning Experience, click Submit. In Salesforce Classic, click Add to Campaign.
6. In Lightning Experience, you receive an email when adding members is complete. In Salesforce Classic, review the confirmation screen and then click Done.