WebFolders provide a shared storage for files, e.g. for collaborative editing and management of documents. Calendaring applications use it to connect to your calendar. WebFolders, IceWarp Desktop Client access. Mozilla Sunbird / Lightning access. Notifier integrates the IceWarp WebClient as the default Windows mail client and provides email notification. Outlook Sync is needed to use sharing and other advanced features of Microsoft Outlook 2007, 2010. Powered by IceWarp Server.