Yes! Flight Creators can invite participants to flights by copying and pasting an email list in the participants section during flight creation. You can invite internal and external groups to the flight in this way, without requiring those users to create an account.
Flight participants can include individuals from both internal and external groups. If you anticipate launching additional flights with this group, you can save this participant list as a segment. If you want to learn more about creating a segment, please refer to this article.
You can learn more creating a segment here.
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