Some of my colleagues share mailboxes. They have a personal account and a shared account for the group. Their question was: where will sent items be saved?
I found that by default, Outlook 2007 saves sent items in the primary user account. This can be changed in the registry:
This is described on this microsoft kb article.
If that doesn't work, try the hotfix from microsoft support.© GeekLabInfo Outlook: Where will sent items be saved? is a post from GeekLab.info. You are free to copy materials from GeekLab.info, but you are required to link back to http://www.geeklab.info