How to: Remove background items from all slides in presentation.
Solution:
Select the 'Omit Background Graphics from Master' check box, in the 'Custom Background' dialog box.
1) Display the slide from which the background item is to be removed.
2) Select the 'Format' menu and select 'Custom Background...'. (The Custom Background dialog box appears.)
3) Select the 'Omit Background Graphics from Master' check box.
Omit Background Graphics...
4) Do one of the following:
a) Click 'Apply to All', to apply the changes to all the slides in the presentation.
b) Click 'Apply', to apply the changes to the current slide only.
c) Click 'Cancel', to cancel the changes.
