I lost my access to all my forms

Hello, by accident I lost access to my most important forms. I have saved the account and password within Google Chrome and built an ikon. 
I forgot to make a note about password but even the account name. 

Any chance to get it back?

Thanks a lot!

Wolfgang

I have checked in our system, but I have not found any user associated with the email address "wolfgang.hey@online.de" 

I would suggest you to click on "Forgot password" link from the Login page. And then enter your email address which you used while creating account, and you will get login credentials on your email address. Thanks