Before downloading your project edits, Imagen backs up your Lightroom catalog in case something goes wrong. If there isn't enough space to back up the catalog, see How can I free up disk space to back up my catalog?

To review catalog backup settings, click your initials at the top-right corner of the app, and then click Account settings > Catalog Recovery. 

1: The space of your backup catalogs on your drive. If you need to free up disk space, see this guide.
2: The folder path of the Lightroom catalog backups
3: Opens the backup folder
4: The Delete now button removes all catalog backups
5: Automatically removes your catalog backups according to the schedule you choose

Where is my catalog backup on my computer?

1. On the My Account page, go to Catalog Recovery and click Open Folder (3).
2. Locate the relevant folder.
   Every time you download a project, we copy and back up your catalog to a new folder, named according to the date and time the project was downloaded.
3. Open the relevant folder to find the catalog backup.
4. (Recommended) Copy the catalog to the original location on your computer.

How can I free up disk space to back up my catalog?

To free up some space immediately, click Delete Now (D). For more ways to free up space, see Error 2130: Insufficient disk space.
After downloading the project and opening the relevant Lightroom catalog without any issues, you can remove the catalog backup to save some space.

You can't retrieve backups you deleted.