Select by Type

Select all of a particular kind of object. Then you can set the format for the kind of shapes easily.

You can easily select all of a particular type of object, such as shapes, groups, or guides:

On the Home tab, in the Basic Tools group, click the Arrow under the Select tool.

Click the Select by Type in the pop up menu, and then check the type of object that you want to select, such as shapes, groups, or guides.