Gong saves call recordings and transcripts for three years.
This policy does not include calls that are in the company library. Calls in the company library are not automatically deleted after three years, and are available until they are deleted from the library manually.
Calls saved in your library are automatically removed after three years.
To apply the retention policy to calls in the company library too, go to Company settings > Data protection and privacy and toggle on "Apply retention policy to calls stored in library". This automatically removes calls in the company library once they have reached the limit of the company retention policy.