Spartan Mail replaced the legacy email system previously accessed through. It provides management of email and calendaring features in a common environment.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread. Spartan Mail (Microsoft Outlook and Campus Exchange) is the official email client of MSU available for all MSU faculty, staff, undergraduate, and graduate students. If the response is helpful, please click " Accept Answer" and upvote it. If Outlook cannot automatically detect your Exchange server, you can enter its address here.
In this case you can unpack MSU package manually, extract a CAB file from it and install it manually in your system. In some cases when Windows Update that is used by wusa works incorrectly (try to reset Windows Update agent settings first), you can’t install an update in the MSU format.
If your issue has any update, please feel free to post back. If you are using Outlook on a Mac, to access these settings from the primary Exchange Accounts preferences dialog box, in Outlook click File > the Advanced button, and then click the Server tab. How to Extract a CAB File from an MSU Update Package.
As I know, corrupted profile would cause some send/receive issues in Outlook client, it's suggested to recreate a new profile and readd your account to check if the issue have any difference(Control Panel>Mail>Show profiles>Add>Readd your account). Microsoft Office Outlook is a fat email client and Outlook Web Access is a thin email client. Both connect to Microsoft Exchange server. It has some limitations compared to desktop email client like MS Outlook. If the test result displays "We were able to log on to the Mailbox", your issue may be related to the Outlook client. Outlook Web Access is a way to work with your Exchange mailbox via the web.
If the issue only happened to your Exchange account, in order to futher analyze the connection between your account and the exchange server, please try to test "Outlook Connectivity" on the microsoft remote connectivity analyzer with your wifi home network, it would display the steps Outlook uses to connect from the internet and help us troubleshoot the connective issues. If other accounts also couldn't send/receive through this network, the issue may be related to the network itself, please first try to restart your router and check your network configuration. Did this issue only occur on your Exchange account? Could other accounts work normally through your wifi home network?