To do it you need to perform the following steps:
- Click Show details and additional info will expand.
2.Unlock the finished survey and make it running again
3. As soon as you have put the survey in status RUNNING you will be able to change the deadline within 1 minute.
If the deadline is saved you will get a message:
"Information was successfully saved"
4. After that you can send new reminders again to the responders: