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                                    General
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                                | Multiple instances running simultaneously | 
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                                | Inbox Categories | 
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                                | Chat collaboration services | 
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                                | Recent badges | 
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                                | Mentions | 
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                                | Touch support | 
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                                | Swipe Gestures in the message list | 
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                                | Hi-res Display support | 
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                                | Built-in Themes (inc. Dark Theme) | 
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                                | Visual theme editor | 
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                                | Custom Themes support | 
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                                | Account Avatars | 
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                                | Password Protection | 
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                                | Customizable Shortcuts | 
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                                | Customizable Toolbars | 
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                                | Customizable Notifications | 
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                                | Agenda View | 
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                                | Sidebar Calendar | 
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                                | Customizable Widgets | 
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                                | Backup | 
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                                | Full offline access | 
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                                | Deduplicator tool | 
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                                | Searchable settings | 
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                                | Complete online documentation | 
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                                | Notes support (local and server side) | 
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                                | Quick Filters | 
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                                | Signature Library | 
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                                | QuickText Library | 
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                                    Mail Protocols
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                                | IMAP | 
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                                | POP3 | 
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                                | Exchange (EWS) | 
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                                | AirSync | 
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                                    Mail Features
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                                | Conversations | 
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                                | Communication History | 
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                                | Attachment History | 
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                                | All Attachments View | 
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                                | Full text search in attachments such as Word, Excel, PDF | 
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                                | Advanced Search | 
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                                | IMAP and Exchange/Office365 server search | 
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                                | Secure Communication (SSL/TLS) | 
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                                | S/MIME Support | 
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                                | PGP support | 
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                                | Email rules | 
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                                | Server rules for Exchange/Office365 and IceWarp | 
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                                | Read Receipt | 
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                                | Delivery Receipt | 
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                                | Watch for Replies | 
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                                | Spell Check | 
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                                | Mass Mail | 
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                                | Delayed Send | 
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                                | Snooze incoming emails | 
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                                | Auto BCC | 
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                                | Translation of Incoming Messages | 
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                                | Translation of Outgoing Messages | 
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                                | Templates | 
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                                | Signatures | 
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                                | Quick Text | 
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                                | Tags | 
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                                | Phishing Protection | 
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                                | Password | 
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                                | Favorite Folders | 
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                                | Smart Folders (Global) | 
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                                | Saved Search Folders | 
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                                | Smart Paste | 
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                                | Emojis | 
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                                | Stickers | 
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                                | Gif support | 
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                                | One-click archive function | 
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                                | Automatic Archiving | 
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                                | Automatic Replies (Out of Office) | 
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                                | Cloud storage support for attachments (Dropbox, OneDrive, Google Drive) | 
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                                | Thread view | 
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                                | Avatars | 
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                                | Message preview | 
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                                | Tracking pixel detection | 
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                                | Resend | 
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                                | Limited time sync | 
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                                | Support for 3rd party PGP keys lookup services | 
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                                | Notes for email | 
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                                | Undo Send | 
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                                    Import
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                                | MS Outlook | 
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                                | MS Outlook Express | 
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                                | Windows Mail (Vista) | 
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                                | Windows Live Mail | 
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                                | Thunderbird | 
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                                | Incredimail | 
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                                | The Bat! | 
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                                | EML Files | 
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                                | MBOX | 
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                                | iCalendar | 
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                                | Contacts as Vcard | 
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                                | Postbox | 
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                                    Calendar Protocols
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                                | CalDAV | 
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                                | MS Exchange (EWS) | 
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                                | iCloud | 
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                                | Google Calendar | 
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                                | iCalendar (Including Facebook Calendar) | 
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                                | Office 365 | 
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                                    Calendar Features
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                                | Day/Week/Month View | 
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                                | Multicalendar View | 
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                                | Custom Views | 
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                                | Tags | 
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                                | Scheduling (IMIP) | 
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                                | Free/Busy View | 
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                                | Weather Forecast | 
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                                | Reminders | 
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                                | Advanced Recurrent Events | 
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                                | Different backgrounds for Free/Busy/Tentative/Out of office | 
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                                    Task Protocols
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                                | CalDAV | 
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                                | MS Exchange (EWS) | 
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                                | Google Tasks | 
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                                | Office 365 | 
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                                    Task Features
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                                | Tags | 
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                                | Advanced Recurrent Tasks | 
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                                | View Tasks Directly in Calendar | 
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                                    Contacts Protocols
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                                | CardDAV | 
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                                | MS Exchange (EWS) | 
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                                | Google Contacts | 
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                                | iCloud | 
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                                | Office 365 | 
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                                    Contacts Features
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                                | Various contact views | 
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                                | Custom view | 
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                                | An exhaustive number of data fields | 
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                                | Tags | 
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                                | Easy contact merging | 
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                                | Automatic acquiring of contacts' avatars | 
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                                    Chat Features
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                                | Full Jabber (XMPP) protocol support | 
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                                | File transfer support | 
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                                | "Is writing" feature | 
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                                    Business Features
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                                | Managing users' settings centrally | 
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                                | Central management of Signatures | 
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                                | Central management of Templates | 
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                                | Central management of Quick Texts | 
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                                | Advanced scheduling scenarios | 
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                                | Global address list support | 
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                                | Access Control | 
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                                | Shared Folders support | 
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                                | Customer support with remote access | 
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