How to access multiple Google accounts in one run. Google has carefully designed its account system so that it can be at the heart of your digital life. But if you need to use multiple Google accounts (for example, if you have one Personal Gmail e Gmail for work). Fortunately, Google's login system has been updated with this in mind, so that it can take multiple accounts at the same time.
Sign in to Gmail and Google services with multiple accounts
To get started, simply log into your primary Google account (which is probably theGmail indirizzo that you use for your personal email). The interface was updated in May 2017, but it is still quite simple. The login page is, but going to any Google service will allow you to log in the same way.
Once you have signed in with your first Google account, click on your account profile photo in the top right corner of the page. If a profile photo has not been assigned, this will be a circular icon with the first letter of the first name. From the menu that appears, click "Add Account".
You are now back on the same login page, ready to log in with your sub account. You can use any Gmail address, or if you are using a custom domain with Google services to manage email and other tools, you can log in with your custom email address.
You are now signed in to both primary and secondary accounts in all Google services. To switch between them without logging out, simply click your profile picture, then select the account you want to use. There is no limit to the amount of accounts you can log in simultaneously this way.
How to log into multiple Google accounts on Android smartphones
read the guide by clicking on the link.