Save and resume later
It is possible to allow the respondents using the public link to save their answer and resume it later on. Follow these steps to enable this option for the respondents:
1. Go to the Build-view
2. Click Settings
3. Select Restrictions tab
4. Enable ‘Allow ‘Save and resume later’ for anonymous links’
The respondents can send their ‘resume answering later’ link to their email.
The respondents will remain anonymous to the author of the survey even if this option is enabled.