Never be afraid of contacting us. If things don't go right it's annyoing, so we'll help you as fast as possible.
This help portal already provides a lot of information and is much faster than any support can ever be. You can try to help yourself here
In product support
If you need help with yasoon functionalities, it's best to directly use our in-product support. You can access it via our yasoon tab within Outlook at the outher right edge. (Don't be afraid of the title)
You can then fill the form and our support will try to help you.
If you have general questions, no matter what, you can write a mail to firstname.lastname@example.org