On windows you can increase this limit through a registry tweak but this is not recommended as outlooks performance will become severely degraded due to the size of the local.
It will also detail how to reset the outlook contact list to refresh the email address list.Ĭurrently Outlook can support up to 10 attached shared mailbox's. This solution Details how to correctly manually add a Shared Mailbox to the Outlook Client on both Windows and MAC.
