You can bulk delete contacts and stories that were created from a single CSV file that was imported.

Steps

You must be an Organisation Admin to bulk delete content from an imported CSV file

1. Select My Apps in the top menu

2. Select Imports

3. The table lists your imports in reverse chronological order

4. Scroll down or use the page numbers at the bottom of the page to find the import you want to delete the content of

5. Once you find that import, scroll to the right until you see the Delete button

6. Press it

7. The content will be deleted in the background