To find your OptiMonk shared accounts: Log in to your account, click your email on the top right corner, on the dropdown menu; select Shared account:
Please note: You can only share your account with another OptiMonk account holder. Sharing accounts with Emails that do not have an OptiMonk account won't be able to access.
In order to view the email with which account was shared with, you can see that as seen in the highlighted section in the image below:
If you are facing any challenges, please contact support (firstname.lastname@example.org) for more assistance.