Thoughts on caching shared mailboxes with Office 365

UPDATE – Outlook 2016 does respect the slider for Shared Mailboxes. You’ll see this referenced in the KB article linked below By default, Outlook 2010 and 2013 cache the mail items in Shared Mailboxes. I’ve recently had a question from a colleague about solutions for using cached mode with very large (~10GB) shared mailboxes used…