Use this wizard to get details about unsubscribes (opt-outs) for the selected Constant Contact campaign. The campaign is identified by the campaign ID number. You can use the campaign selector popup to pick a campaign from those available, enter an asterisk (*) to automatically get the most recently sent campaign, or reference a value in a worksheet cell.
Account – you can select a specific account, use the * Default account, or use an Excel cell reference (click the button provided) 
.
Campaign ID – enter a campaign id number, enter * to get the most recently sent campaign, or enter an Excel worksheet cell reference (use the button provided) .
You can also use the popup campaign selection wizard to pick the campaign of interest 
. Select the campaign in the popup and click OK to get the campaign id.
Limit – using a limit of 0 will download all unsubscribes for the campaign. You can limit the number by entering a value.
Created Since – If you are only interested in more recent items, you can use this option to pick a start date or time period (relative to today).