What are some of the best tools and best practices below I should use to preserve my files? $($Select all that apply$)$

What are some of the best tools and best practices below I should use to preserve my files? $($Select all that apply$)$

An external hard drive

My cell phone

A floppy disk

Cloud storageWhat are some of the best tools and best practices below I should use to preserve my files? $($Select all that apply$)$

What are some of the best tools and best practices below I should use to preserve my files? $($Select all that apply$)$

An external hard drive

My cell phone

A floppy disk

Cloud storage