In outlook when I click to add email to zoho crm the form size is too big for my screen . How do I resize it?

In outlook when I click to add email to zoho crm the form size is too big for my screen . How do I resize it?

Thanks for the speedy reply but it doesn't help! I can't get to the bottom of the form to click"add email"
There must be some work around or setting otherwise the feature wouldn't be there.......
Appreciate your reply