Because Zeus ordered her to release him by a message with Hermes.
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Athena (his patron goddess) asked Zeus to get Odysseus off the island. So Zeus sent Hermes to tell Calypso to let Odysseus free.
calypso are mad at the Gods over Odysseus because she haven't had a man in her territory in 100 years and finally got one but whom is trying to get back to his beloved wife and the Gods are telling her to let him free and stop holding him hostage.
The sea nymph Calypso offers Odysseus immortality as her consort.
Its one of the last parts of The Odyssey before he gets back to Ithaca. That's all i know
Calypso rescues Odysseus because she liked him, and she was pretty lonely so she kind of needed the company.
Odysseus met Calypso on her lush island of Ogygia.
I believe this is Calypso.
Circe, Calypso, Ino, and Nausicaa help Odysseus. Athena helps Odysseus as well.
Calypso. She kept him for a number of years (7, I think) and granted him immortality while he stayed with her. She then allowed him to leave on a massive raft she provisioned. She also sent a following wind to take him on his way home.
what is calypso's external conflict in the odyssey, part one?
Hermes rescues him. Zues sends him.
Odysseus met Calypso on her lush island of Ogygia.
Calypso offers immortality to Odysseus
Hermes tells Calypso to let Odysseus go.
Calypso
Calypso has the power of immorality over Odysseus.
Hermes is sent down to Calypso, telling her that the gods wish for her to release Odysseus. Therefore, it is Calypso who allows Odysseus to leave, not Odysseus who 'manages to say no.'
Calypso
Calypso and Odysseus become lovers. Calypso offers Odysseus immortality and eternal youth if he would stay with her. Calypso does not aid Odysseus' escape until told to do so, so he seemed trapped on her island without a ship.
Calypso wants Odysseus to stay with her on the island forever.
Calypso
No! Poseidon tries to drown Odysseus during his escape from Calypso. Athena and Hermes assist Odysseus.