What’s the difference between cloud backup services and services like Google Drive, Dropbox, and OneDrive?
Services such as Google Drive, Dropbox, and OneDrive are considered cloud storage services because they don't offer local backup clients, but sync via a local virtual drive or web interface. A user must place their files onto the service’s cloud manually.A cloud backup service provides a desktop client with either versioning or retention of all the files you've backed up. Cloud backup service providers may also offer additional data security measures such as end-to-end encryption.
Changing your Gmail address may have unintended effects. For example, for certain Google services, for using Gmail to log into other websites, or for Chromebook users. If you want to revert back to your original email address, Google says the following: Your previous Google Account email will remain as an alternate email address. You can switch back to it at any time. To switch back, navigate back to your “Google Account email” page in your account settings, find your previous Google Account email, then select “Make this your Google Account email.” Note, however, that you have a limited number