Emails missing in Outlook folders (MS Exchange Shared Mailbox)
A user is complaining that emails are missing from some folders in his secondary mailbox. The mailbox in question is another user's Office 365 mailbox attached via auto-mapping (by giving the first user full access permissions).
After a quick check, all affected folders appeared to have a "Filter applied" label showing in the bottom left of Outlook (instead of the number of items).
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