How do I backup without storage

Hi,

If you want to backup your messages and iMessages on iCloud, but:

1. You don’t have enough iCloud storage
2. You won’t upgrade your iCloud plan to get more storage

> You can backup your iPhone on your computer with iTunes. This complete and local backup on your computer made with iTunes includes your messages and iMessages

> PC: How to back up your iPhone, iPad, or iPod touch with iTunes on your PC - Apple Support

> Mac: How to back up your iPhone, iPad, and iPod touch with your Mac - Apple Support