The multiple sign-in feature rolled by Google for Gmail can be used to access multiple Google accounts, Google Calendar, Google Reader, Google Sites and Google Code without having to sign-out of an account.. If you don’t know how to enable Google Multi Sign-in Feature, then follow the simple given steps below:
Step#1: Go to your Google accounts manager page by clicking on it
Step#2: Once the account manager page has been opened click on the “Edit” link adjacent to multiple sign-in listed under “Personal Settings”.
Step#3: On the Edit page, select the radio button next to “ON” – Use multiple Google Accounts in the same web browser.” and after that tick mark the options below later than you have read the details. After you have done that, just click the “Save” button.
From now on you will be able to check emails, calendar, docs and more from multi-account using a drop down menu provided at the top of the screen. If you want to insert another account, just click on the down arrow key and click on the link “Sign in to another account” and then fill in your login identification to it.
How to disable the feature:
If you want to toggle the multiple account sign-in feature off, then simply follow the same instructions above. While, in Step 2 click the Radio button next to “Off – Use on Google Account at a time”