How to Backup Google Photos? [Solved]
There is an option to show the "Google Photos" folder in your Google Drive.
You can then download the Google Drive application for your PC and sync that folder.
Your photos should be downloaded to the designated folder on your PC, which you can backup to your external hard drive.
Another way to backup Google Photos?
There is a tool called Backupery for Google Photos. It does exactly what you need: regularly downloads new photos from Google Photos and stores them in the destination of your choice: external hard-drive, dropbox-synced directory, etc.
Note:- This Article on How to backup Google Photos is only meant to provide information.