Removing an attached file from a task
  1. Click My CRM | Calendar.
  2. Locate and open the task from which you want to remove an attachment. For more information, see Viewing tasks.
  3. In the top left corner of the task, click the Attachments tab. The number in parenthesis next to the tab name shows the number of files attached to the task.
  4. In the File column, click the name of the attachment you want to remove.
  5. Click Delete, and then click Confirm Delete.