1,942 votes54 comments · Welcome to Microsoft Forms Suggestion Box! » Sharing · Flag idea as inappropriate… · Admin →Anonymous commented
As one commenter noted, some of this is already doable.
1. Checkboxes are in there - an sub-option after you select "choice" (radio buttons)
2. Email alerts are in there - you can select notification options under Form Settings
3. Definitely needed
5. Definitely needed