Import contacts into Dotdigital Marketing using a CSV file and choose how to update existing data. You can overwrite fields, update specific values, or work with suppressed contacts to keep your data accurate and up to date.
Before you start
Your CSV file must include the Email column as a unique identifier.
You can only update certain fields for suppressed contacts.
You can't change a contact's email address with an import. To change it, edit the contact in their Single customer view.
Learn more in Edit a contact's data fields.
Import contacts and overwrite data
Go to Audience > Contacts.
Expand the New contact drop-down menu and select Import contacts.
For File, select Choose file and select your contact list.
Enter an Email address to notify.
Expand the Encoding type drop-down menu and select your encoding type.
Select Upload.
Select Change settings, then under Data field options expand the drop-down menu and select Update all data fields.
Select Apply, then select Finish to complete the import.
Update specific fields for existing contacts
Prepare your CSV file with only the columns you want to update, such as Email and Discount code.
Go to Audience > Contacts.
Expand the New contact drop-down menu and select Import contacts.
For File, select Choose file and select your contact list.
Enter an Email address to notify.
Expand the Encoding type drop-down menu and select your encoding type.
Select Upload.
Map the Email column to the email identifier.
Map other columns to the correct data fields.
Select Finish to update the data.
Update data for suppressed contacts
You can update data fields for suppressed contacts, such as First name, Last name, or custom data fields, with an import or the API.
To change a suppressed contact's email address, edit the contact in their Single customer view or use API v3. The new email address stays suppressed.
Learn more in Change a contact's email address or mobile number.