You can link your Mango Languages profile to a new library by following the instructions HERE. In order to unlink your profile from a library you are no longer associated with, please follow these instructions:
1. Click HERE. This will take you to your linked organizations.
2. To the right of the library from which you want to unlink, click the word Remove.
3. Click the Remove This Account button.
4. Your Mango Languages profile is now unlinked from that library.
5. Click the Back to Linked Accounts button.
7. In order to link your Mango profile to another library follow the instructions HERE.