To access files inside an iCloud backup, you must restore the backup to an iPhone or use iCloud.com (limited data).
The location on a PC varies based on how you installed iTunes or if you use the newer app. where to find iphone backup on computer
These folders contain complex databases (a sea of files with scrambled 32-character names). If you rename a file or move it out of the folder, your computer will no longer recognize it as a valid backup, and you may lose the ability to restore your iPhone later. Copy them if you must, but do not alter them. To access files inside an iCloud backup, you
To access your iPhone backup files, follow these steps: If you rename a file or move it
\Users\[Username]\AppData\Roaming\Apple Computer\MobileSync\Backup\
On macOS, the location depends on whether you are using the Finder (macOS Catalina or later) or iTunes (macOS Mojave or older).
iCloud backups are stored on your computer. They are stored in Apple’s cloud. You can see them on your iPhone: Settings → [Your Name] → iCloud → Manage Account Storage → Backups