Layered Save..?

Is there software that allows me to click a save upon a save, then click them both out one at a time..?

I.E.: for my Yahoo logins, I could copy my login handle and password, "click/click".. then drop them one at a time click/click.. without needing to waste time, deleting half's-pastes, nor keying every time it's needed...

Better yet, would be a tiny mouse-accessory-file that holds all your handle and password combinations.. but trying to catch a glimpse of its writing, is pulling me into experiencing layers upon layers upon layers which seem to break stagnant computer laws, by pushing-on out, on its own, in its own right to be real, more, and new, in spite of its applied anchors insisting that "motion is evil"... It's gonna be a tough program to write, through the elbow and connectors, connecting layers that can't be...