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Public Folders vs. Site Mailboxes vs. Document Libraries vs. Shared Mailboxes - Microsoft Trends
Microsoft has increased the limit on the number of public folders available in Office 365 to 100,000 folders, which is a 10x increase in capacity. In Exchange 2013 (or Office 365), there is also now a new feature called “Site Mailboxes” which represent a new way to collaborate by allowing users to store both email …