Creating and distributing tasks or homework to students through Teams
Dear @Johannes Kingma
I understand the issue. In Teams Assignments, New Quiz > Existing quiz is intended for Forms quizzes that are available to your account; a regular Form/survey may not appear in that list. Microsoft currently documents a separate method for assigning an existing Form:
- Open the Form in Microsoft Forms and select Collect responses.
- Copy the Form link.
- In Teams, go to Assignments > Create > New Assignment.
- Select Attach > Link, paste the Form link, and attach it.
- Complete the assignment details and select Assign.
This is the supported approach when the existing item is a Form rather than a Quiz. Please refer to this document: Assign quizzes to students through Microsoft Teams