how to make gmail account default
1 While logged in to your Google account(s), click on the drop down menu in the top right corner next to your name and select â Switch Account 2  â. When the dropdox changes click â Sign Out Of All Accounts 3  â. Sign back into Google with the account that you want to be the default account. Sign back into Google with the account that you want to be the default account. 2  Use multiple sign in to sign in to your other accounts. 3  Same steps as above except in step 2, click â Sign in to another account â.