After you have created the list, you need to import and assign it to the survey. Once you have assigned a list to the survey, the other functions of the e-mail invitation will become available.

Please proceed as follows, to import a participant list into the survey:

Select the desired survey in the Overview
Click on Invite Participants
Click the tab 'E-mail invitations'
Select the prepared list and click Import
After the import is done, click on the participant list, to open the invitation options

The invitation options for this single list will be opened.

Hint
You can import as many lists as you want for each survey and invite the target groups separately and address them individually, as well.

Note
If you want to remove a list, simply click on the 'X' icon in this list. The list will not be deleted. This survey and the list will just be disconnted.