Use the animation palette as a Multiple Undo feature. Advance one frame each time you try out new poses or new morphs and you can undo it by going back to the previous frame. Still remember to save!

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You just can't put the words "Poserites" and "happy" in the same sentence - didn't you know that? LaurieA
  Using Poser since 2002. Currently at Version 11.1 - Win 10.