How to delete data and undelete
If you have admin access privileges under your login (top right) click the down arrow and select go to Admin.
Select the area the data belongs to.
Select the relevant section that contains the information you want to remove or edit. Records are stored under Data.
From the drop down and the foot of the page select "Delete Selected" then when asked confirm your deletion.
In the top corner select the recover deleted items button.
Select the item from the list by clicking the date field. When the record opens click Save. This will recover the item.