Outlook Increases 500 Shared Folder Limit to 5000 - Office 365 for IT Pros
Windows 10 Help Forums
Windows 10 Help Forums
Outlook cannot synchronize subscribed folders ' - Microsoft Community
Error 0x800CCC0E, Outlook cannot synchronize subscribed folders
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Outlook shared calendar synchronization errors | iSchool Knowledge Base
Syncing Office 365 Contacts From a Public Folder to User Folders (One-to-Many Sync) | SyncPenguin Blog | Two-way and one-way automatic sync of calendar meetings, contacts, and tasks