Sign in All of Your Gmail accouts at once

You make different gmail accouts for different works and it feels very irritaing to check the inbox email by logging out and logging in again and again. But by using this Simple Trick you can sign in your different gmail accouts at Once or simultaneously.

Gmail offers a useful feature called Email Delegation where you can share your inbox with other people (say your spouse) but without revealing your password. 

Here you have to understand that if u have 4 gmail accounts named 

A@gmail.com 

B@gmail.com

C@gmail.com

D.@gmail.com

consider one as primary and others as secondary 

Login to your secondary gmail account  and go to 

Mail Settings – > Accounts – > Grant Access to your account. 

Choose “Add another Account” and specify your primary Gmail email address here. You’ll now get a confirmation email in your primary mailbox. Accept the request 

and repeat these steps for all your other secondary Gmail accounts.

 That’s it. Once you sign-in to your main Gmail account, you also check all your secondary email accounts by choosing the “Switch Account” option in the upper left corner of your Gmail window.

now you can switch all your gmail accouts by just a click.