How to save all rendered images?

Hello, is there a way so save all rendered images? It’s hell to save 10+ outputs.

Try this

No embedded function?

I don’t know…
I knew the existence of this addon, but I never use it.

Or more likely this one

originated at: https://blender.stackexchange.com/questions/31312/is-it-possible-to-save-all-rendered-images-in-the-render-buffer-slots-in-one-o

but doesn’t work anymore so, if anyone is willing to update it