Switching between different Google Drive accounts has never been easier with Shift. Here is how:
Select the Google account’s Drive you wish to view in the left-hand taskbar.
Or use the following keyboard shortcuts:
Mac: Alt + Cmd + Down Arrow
Windows & Linux: Ctrl + Shift + Down Arrow
Once you are on the Account, Select the Drive tab on the top right corner of the screen.
Or use keyboard Shortcuts:
Mac: Cmd + 3
Windows & Linux: Ctrl + 3
Finally, you will arrive at the Drive of your desired Google Account.