Put the Logo on the Master Slide, this will make it appear on every
slide in the presentation.
To do this follow these steps:
Click on View in the Main Menu
Click on Master from the drop down menu
Click on Slide Master from the pop up menu
Place the Logo where you want it to appear on every slide.
Now, if you ever need to modify or move the logo, just follow these
same steps
Remember to Click View, then Normal when you are finished to return to
your presentation.
You should know that by following these steps, the logo will also
appear on the very first slide of your presentation. If you do not
want that to happen, follow the steps above to view the Slide Master,
then, right-click on the slide master thumbnail on the left side of the
screen and select New Title Master from the pop up menu. Don't worry
about the fact that it appears after the Master Slide in the listing.
Just edit it to remove the unwanted logo and then return to your
presentation by clicking View, then Normal as described above. It
should work fine.
good luck,
denny