Share Email Facebook Twitter LinkedIn To Add a Callout Block to a Sheet Click Window menu > Sheet Set Manager. In the Sheet Set Manager, open a sheet set. In the Details panel, expand Sheet Set, and next to Callout Blocks, click Manage. In the Callout Blocks dialog box, click the (+) Add button and specify a new block to be added to the list. Related Concepts About Sheet Label Blocks and Callout Blocks Related Tasks To Change the Default Block Used for Sheet View Labels