To
recover deleted files from icloud, start with the Recently Deleted folder on iCloud.com. Log in to your Apple account, open iCloud Drive, and then click on the Recently Deleted tab on the left side of the screen. Select the files that you want to recover and click on Recover to restore them to their original folders. Normally, files can be recovered within 30 days. However, once something is permanently deleted from Recently Deleted, it is not possible to restore such items using this method. In case you have deleted photos and videos, you may try looking for the recently deleted album on iCloud Photos. Also, consider searching your computer, external devices, or other backups for any copies. Notchox may assist you in searching for a local copy of the deleted file on Windows or macOS.
Read more -
https://notchox.com/resources/icloud-data-recovery/