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Managing Multiple Email Addresses for a Contact in Stack

In Stack, you can efficiently manage multiple email addresses for a single contact. This feature allows you to add up to 10 additional email addresses, designate a primary email for campaigns, import multiple email fields via CSV, and merge duplicate contacts while retaining their emails.

Table of Contents​

Understanding Multiple Emails in Contacts​

Stack allows you to associate multiple email addresses—up to 11—with a single contact profile. This is especially useful for contacts who use different email addresses for personal, business, or project-based communication. By storing these addresses in one place and assigning a primary address for all outbound messaging, you can keep your communications centralized and accurate.

Benefits of Managing Multiple Emails​

  • Unified Contact Profile: Maintain multiple email addresses under one contact profile.
  • Primary Email Assignment: Assign one primary email address for all outbound communication.
  • Secondary Email Storage: Store secondary email addresses for future support or tracking.
  • CSV Import: Import multiple emails for a contact using CSV import.
  • Duplicate Contact Merging: Merge duplicate contacts and retain all associated email addresses.

Adding Additional Email Addresses​

Sometimes, a contact may use multiple email addresses for different purposes—business, personal, or project-based communications. Stack allows you to store up to 11 email addresses per contact.

  1. Navigate to the Contacts section and open a contact profile.
  2. Click the Contact button and scroll to the Email Address field.
  3. Click "Add Another Email", enter the new email, and click Save Changes.

Note: You can add up to 10 additional email addresses (for a total of 11, including the primary). The "Add Email" button will disappear after the limit is reached.

Selecting the Primary Email Address​

While you can add multiple email addresses to a contact, only one can be designated as the primary email for outbound communications.

  • Scroll to the Email Address section and click the star icon next to the email address you want to designate as primary.
  • To change the primary email, click the star icon next to the desired email.

The primary email will be used for all email campaigns, automation, and manual emails.

Frequently Asked Questions​

Q: Can I send emails to secondary email addresses?
No, only the primary email address is used for sending emails. However, future support for secondary emails may be introduced.

Q: How many email addresses can I add per contact?
You can add up to 10 additional email addresses, plus one primary—so 11 in total.

Q: Can I change the primary email after it has been set?
Yes! You can change the primary email anytime by clicking the star icon next to the desired email.

Q: Can I bulk update contacts to assign a new primary email?
You can export contacts, update the primary email column, and re-import the data, but not directly.