TIFF with Alpha Channel does not save background

[JAKiii]

Maybe I'm missing a setting, but when I render with the alpha channel my file comes in without the background.  I liked the old way where my rendering had a background but I could pick out the subject using the embedded alpha channel, as the setting's name suggests -

[Robert V.]

It's there...

look here: http://keyshot.com/forum/index.php?topic=1204.msg4438#msg4438

[JAKiii]

Thanks for that!