General

• Online/Caching/Remote Modes
• Archive/Backup   
• Mailbox Proxy     
• Personal Folders       
• Auto Cleanup Options (Archive, Delete, Empty)

Mail

• Support for Mail, Appointment Notes, Tasks, Phone (Personal and Group)   
• Resend/Retract Messages, Appointments, etc.    
• Status Tracking    
• Find/Search/Filter    
• QuickViewer    
• Attachment Viewing – all types
• Categories    
• Change To (Any type to any type)    
• Auto Spell Checking/Spell as you go    
• Auto Signatures/Multiple Signatures    
• Digitally sign and encrypt (S/MIME) / Certificate management    
• Reply format options    
• Delay Delivery / Mail Priority / Reply Requested    
• Return Notifications    
• Signatures    
• Limited Rules-based Messaging Handling    
• Flexible Forwarding    
• Notifications of New Mail, Alarms       
• Home View    
• User Interface Enhancements: Color-coded Categories, Tasklist    
• MAPI Support    
• POP/IMAP/NNTP/RSS Client Support    
• Routing Slips    
• SMTP over SSL    
• POP and IMAP Service over SSL    
• Default E-Mail Character Set    
• Mailbox Size Limit (Greater than 4GB)    
• OpenOffice or Microsoft Word Email Editor    
• Unopened Message Preview     
• Auto Save    
• Feature-Rich, Customizable Home View (Web Panels, Multiple Columns)    
• Threaded View on All Messages    
• Filter by Items with Attachments    
• Export/Import/Email Custom Home View Settings    
• Native RSS Reader    
• Use native applications to view attachments (Adobe, Office, OpenOffice, QuickTime and Flash)

Calendar and Scheduling

• Busy Search Contacts and Resources    
• Day, Week, Month, Year, etc. Views of Calendars    
• Multi-User Calendar    
• Calendar and Scheduling    
• All-Day Events    
• Calendar Printing to HTML    
• Multiple Calendars    
• iCalendar support    
• User-level Time Zone Support    
• Delegate    
• Work Schedule Definitions     
• Dual Time Zone Display    
• Import/Export Calendars    
• Publish Personal Calendars         
• External Free/Busy Search    
• Collapse Recurring Appointments in Mailbox Option    
• Easily Add New Attendee to Existing Appointment    
• Date Display from Contacts into Calendar (Birthdays, Anniversaries)    
• Auto Accept Own Appointments    

Contacts - Address Book

• Support for Contacts, Groups, Resources, Companies    
• Contact Management    
• Address Book Printing       
• Client-side LDAP Support    
• Contacts Business Card View    
• Contacts Index and Lettered Tabs    
• Multiple Contacts Folders    
• Import/Export Contacts    
• Display Contact Address in HTML Maps    
• Quick-View of History Per Contact    
• Photos for Contacts    
• Drag and Drop Contact pictures into the Contact Properties dialog     
• Export Contacts to CSV or vCard format    
• Contact Notes    
• Send E-mail to Pre-Defined Contact Organization    
• Easy Search Contacts Across Multiple Books    

Task Management

• Sort by Any Field    
• Rules for Items Marked Complete    
• Sub-Items    
• Percent complete