Hi and welcome to the board
fotobill [righton]
About your question; yes it is possible.
Go to
file / automate / batch
Under the option
play you can select an action that you can use to rotate an image and save it.
You first will need to create this action.
Go to the
actions pallete (if it's not visible, click on
windows / actions). You then have to create a new action (kind of macro) that will rotate your shots 90 degrees and save them. Check out the manual to find out how to record actions. It would take me too long to explain all this in great detail.
Good luck