It depends on what different computer you mean. If you're trying to access
your work email from home, contact your systems administrator at work to
find out what their protocols are and if you're even allowed to do it.
If you're asking how to access your Outlook email from a different computer
than what you have Outlook installed on, it depends on what your intentions
are. It might be easier to just check your ISP's webmail if you're at a
different location than home where Outlook is installed.
If you have Outlook installed on two different computers and want to access
your email using both Outlooks, then you need to make sure that you leave a
copy of your mail on your ISP's mail server.
Please clarify what you're trying to do so more specific instructions can be
offered.
