Picture Properties
When you are in Layout View, you can edit the
report controls with the options on the Arrange tab.
These settings are saved in the Property Sheet.
Here are the steps to change the Logo properties.
Try it: Display the Property Sheet
Go to View->Layout
Go to the Arrange tab
You should see an extensive set of tools for editing
the report controls. Click on Property Sheet.
Select the Logo in the Header.
You should see the Picture properties for the Logo.
Change the Size Mode to Zoom.