Once you've been invited to become a guest editor on a Bookmark website, and you've clicked "Start Editing" in your email, you can then sign in and go into your Account Setting using the menu drop-down.
From there, click the 'Users' tab, and scroll down to the "Accounts I Manage" section.
Click 'Login as User', and now you can edit any of the website's that the account owns.
When you've finished editing, save your changes and click 'End Session'.
And that's it! If you have any more questions or need any more tips and advice, we are here for you. Don’t hesitate to reach out to our Live Chat at any time, and check out some more of our helpful guides!