In order to move a campaign, including any banners in that campaign, and all the statistics already collected for the banners of the campaign, to another advertiser:
- Navigate to the Campaign properties page of the campaign you want to move
- Next, click the Actions button on the top right hand side of the screen
- In the Actions overlay, under "Move to", pick the target advertiser you want to move the campaign to
- Finally, click the little grey round button with the right facing arrow
- The campaign will be moved to the target advertiser immediately.