Google One is where you pay for storage on Google and get the benefits that come with paying for storage
Storage plans start at $24.99 a year for 100gb
You can then use Google One to store your documents etc in the “ cloud
You can even get support from Google with a paid plan
But the really big benefit now is that it will do a full backup of your Andriod phone – just install the Google One app on your phone and open to start the backup.
For further information follow the link : Back Up With Google One