The following article uses options that are available starting with the Professional edition and project type.
Organization view uses a native TREE control that does not support multiple components selection. However, a workaround to select multiple components in the Organization view is the following.
From the context menu of a component, use the Add to List or press F4. This will add the component to a list that appears under tree, at the bottom of the page. Repeat this step for every desired component.
After adding the first component, a list will be created at the bottom of the page containg the added components, as below:
Now, you can select all the components from the list and set same properties to them: