To globally delete records from Sphere, please do the following:

  1. Log into Sphere and go to Contacts > Individuals > Advanced Search
  2. Choose a criteria that you can use to group the records together (if it was from an import, you can use Date Created)
  3. Go to Batch Update > Update All Query Records > Delete (These records will be PERMANENTLY deleted from the Sphere database)
  4. Click Continue and click YES to delete these records