Outlook.com vs Mailbird : Which is Better?

Outlook.com

Outlook.com is a free personal email service from Microsoft. Developed by Microsoft

License: Freemium

Apps available for Online Chrome OS

Mailbird is a desktop email client for Windows 7, 8 and 10. Developed by Mailbird

License: Freemium

Apps available for Windows

Feature	Outlook.com	Mailbird
Support for IMAP
POP3 Support
Skype integration
Support for Aliases
File-organization
Basic html mode
Custom Backgrounds
Integrated Chat
Integrated Search
End-to-End Encryption
Privacy focused
Security & Privacy
Encrypted Email
Custom domain
Undo send
Asana integration
Clean design
Sync Contacts
Ad-free
Cloud IDE
Decentralized
Calendar integration
Encrypted mail and contacts
Document sharing
Integrated Spam Protection
Cloud Storage
Push Notifications
Conversation view
Multiple Account support
Contacts
Dropbox integration
Facebook integration
GSuite Integration
News
Night mode/Dark Theme
Organize mails
Sidebar
Slack client
Slack integration
Social network
Threaded Conversations
Trello integration
Twitter
Twitter integration
Unified inbox
Automatic Backup
Built-in themes
Built-in translation
Extensible by Plugins/Extensions
Built-in RSS reader
Encryption
Address book integration
Built-in Calendar
Exchange
CalDAV
Customizable
Email tracking
Sync across Devices
Bundled with macOS
CardDAV
Gantt-charts
Kanban boards
Work Item Tracking
Agile boards
Lightweight
Content Filtering