Mail Features
Conversations
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: yes
Thunderbird: yes
Communication History
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: no
Attachment History
eM Client: yes
Outlook Classic: no
Outlook New: yes
MailBird: no
Thunderbird: no
All Attachments View
eM Client: yes
Outlook Classic: no
Outlook New: no
MailBird: yes
Thunderbird: no
Full text search in attachments such as Word, Excel, PDF
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: yes
Thunderbird: yes
Advanced Search
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: yes
IMAP and Exchange/Office365 server search
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: no
Secure Communication (SSL/TLS)
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: yes
Thunderbird: yes
S/MIME support
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: yes
PGP support
eM Client: yes
Outlook Classic: no
Outlook New: no
MailBird: no
Thunderbird: yes
Email rules
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: yes
Rules library
eM Client: yes
Outlook Classic: no
Outlook New: no
MailBird: no
Thunderbird: no
Server rules for Exchange/Office365 and IceWarp
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: no
Read Receipt
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: yes
Delivery Receipt
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: yes
Watch for Replies
eM Client: yes
Outlook Classic: no
Outlook New: no
MailBird: no
Thunderbird: no
Spell Check
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: yes
Thunderbird: yes
Mass Mail
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: yes
Thunderbird: yes
Delayed Send
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: no
Snooze incoming emails
eM Client: yes
Outlook Classic: no
Outlook New: yes
MailBird: yes
Thunderbird: no
Message pinning
eM Client: yes
Outlook Classic: no
Outlook New: yes
MailBird: no
Thunderbird: no
Auto BCC
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: yes
Translation of Incoming Messages
eM Client: yes
Outlook Classic: no
Outlook New: yes
MailBird: no
Thunderbird: no
Translation of Outgoing Messages
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: no
Templates
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: yes
Signatures
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: yes
Quick Text
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: yes
Tags
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: yes
Phishing Protection
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: yes
Password
eM Client: yes
Outlook Classic: yes
Outlook New: no
MailBird: no
Thunderbird: yes
Favorite Folders
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: yes
Smart Folders (Global)
eM Client: yes
Outlook Classic: yes
Outlook New: no
MailBird: no
Thunderbird: yes
Saved Search Folders
eM Client: yes
Outlook Classic: no
Outlook New: no
MailBird: no
Thunderbird: yes
Smart Paste
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: yes
Emojis
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: yes
Thunderbird: yes
Stickers
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: yes
Thunderbird: yes
Gif support
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: no
One-click archive function
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: yes
Thunderbird: yes
Automatic Archiving
eM Client: yes
Outlook Classic: yes
Outlook New: no
MailBird: no
Thunderbird: no
Automatic Replies (Out of Office)
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: yes
Cloud storage support for attachments (Dropbox, OneDrive, Google Drive, ownCloud, Nextcloud)
eM Client: yes
Outlook Classic: yes
Outlook New: no
MailBird: yes
Thunderbird: yes
Thread view
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: yes
Avatars
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: yes
Thunderbird: no
Message preview
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: no
Tracking pixel detection
eM Client: yes
Outlook Classic: no
Outlook New: no
MailBird: no
Thunderbird: no
Resend
eM Client: yes
Outlook Classic: yes
Outlook New: no
MailBird: no
Thunderbird: no
Limited time sync
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: yes
Support for 3rd party PGP keys lookup services
eM Client: yes
Outlook Classic: no
Outlook New: no
MailBird: no
Thunderbird: yes
Notes for email
eM Client: yes
Outlook Classic: yes
Outlook New: no
MailBird: no
Thunderbird: no
Undo Send
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: yes
Thunderbird: no
Business Features
Easy central deployment (MSI packages)
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: yes
Managing users' settings centrally
eM Client: yes
Outlook Classic: yes
Outlook New: no
MailBird: no
Thunderbird: no
Central management of Signatures
eM Client: yes
Outlook Classic: no
Outlook New: no
MailBird: no
Thunderbird: no
Central management of Templates
eM Client: yes
Outlook Classic: no
Outlook New: no
MailBird: no
Thunderbird: no
Central management of Quick Texts
eM Client: yes
Outlook Classic: no
Outlook New: no
MailBird: no
Thunderbird: no
Advanced scheduling scenarios
eM Client: yes
Outlook Classic: yes
Outlook New: no
MailBird: yes
Thunderbird: yes
Global address list support
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: yes
Access Control
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: yes
Shared Folders support
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: no
Thunderbird: yes
Customer support with remote access
eM Client: yes
Outlook Classic: yes
Outlook New: yes
MailBird: yes
Thunderbird: no
SMAPI support for automation
eM Client: yes
Outlook Classic: yes
Outlook New: no
MailBird: yes
Thunderbird: yes