I think the only way to read these files is to use them. Backups are usually compressed so any attempt to read the contents will not work unless you use the backup restore program i.e. use the files.
OnePlus 5T review: Hands-on
Illustrator Andrés Lozano on his improv line work, brazen use of colours & hand sketching
iPhone X review
Comment envoyer gratuitement des gros fichiers ?