Double-click the embedded object (embedded object: Information (object) contained in a source file and inserted into a destination file. Once embedded, the object becomes part of the destination file. Changes you make to the embedded object are reflected in the destination file.).
Do one of the following:
Add, change, or remove a fill from a Microsoft Excel worksheet
Select the cells you want to change.
Add, change, or remove a fill from an Excel chart
Add, change, or remove a fill from a Microsoft Word document