Can't tell you anything. You chose to omit all details in the body of
your post.
Outlook is not a server. Outlook is an e-mail program. To find out
what server host names you are to enter into the e-mail account that you
define within Outlook, you could ask the e-mail provider for that
information or read their web help pages.
Usually you get one chance per potential respondent to elicit a reply
from them. If they skip your post because you gave them nothing to go
on (no details, no versions, no context), usually they will just move on
to the next post and never return to yours. Go read: