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Email messages are sent to the wrong account when multiple accounts are associated with an Outlook profile
Article ID: 2391896 - View products that this article applies to.
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When you set up one or more email accounts for a profile in Microsoft Outlook, email messages that are intended for a particular account are sent to the Inbox of a different account.
This issue occurs if the .ost file that's created by Outlook Cached Exchange Mode contains a folder mapping error. Specifically, if the .ost file contains more than one MAPI mailbox, mail may be redirected to an incorrect MAPI mailbox.
To fix this issue, follow these steps:
Still need help? Go to the Office 365 Community
Article ID: 2391896 - Last Review: May 15, 2013 - Revision: 20.0