...

The Delete button is only enabled when one or more submissions is selected. The user is prompted with an ok/cancel dialog to confirm deletion of the selected submissions. If ok/yes, the submissions are deleted and , the filter re-run runs and the page of data refreshed. Only submissions in the SUBMITTED, ABORTED or ERROR state may be deleted.Submission Table is refreshed.

When you click the Submissions icon, the submissions from the last month display. You may see submissions in various states. Notice the View/Edit and Delete buttons are greyed out.

...

A successful deletion displays the following:

Download Submissions to CSV file

...

Submission data can be exported to a CSV (comma separated value) file that can be easily opened in Microsoft Excel. The contents of the csv file depends on the submissions that are displayed in the Submissions Table. The default columns and any form fields designated as Searchable fields appear as columns from left to right in the csv file.

...