When you’re composing a new email in Vivaldi Webmail, you can start typing each recipient’s email and rely on auto-complete suggestions or you can view a list of your Contacts and select the recipients.

To add multiple contacts at once:

1. In the message composer, click on Add Contact on the right side of the “To” field.
2. Click on Select at the bottom of the contacts window to select multiple contacts.
3. Tick the boxes in front of each contact you want to add as a recipient.
4. When you’ve made your choice, click on Insert.