Where are my previous generated images?

Hello @Biba Kay,

As @Monika Gause said, they are not saved by default. It has been a frequent suggestion that prompts and images be automatically saved. I recommend you look at these posts and upvote the one(s) you would like to see:

History of text prompts 

P: History of Previous Generated Images 

Personal archive

These references might be helpful on what steps you can take to save creations:

• Everything you wanted to know about Favourites in Adobe Firefly
• Everything You Wanted To Know About Saving Images From Firefly Text to Image

My best,
    droopy

It's always best to download them when you like them at all. There is no general collection.