How do you bring up two e mail accounts without signing in and out every time.?

How can I get two differn't e mail accounts up at once to switch back and forth to read withoun signing in and out each time??

How do you bring up two e mail accounts without signing in and out every time.?
try using different internet browsers...


Example: use firefox for email 1





then open Internet explorer and use it for email 2





you will have to sign into them both... but it won't make you sign out of one to sign into the next one.