Compare eM Client to other products

Highlights

Calendar and Tasks

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: yes

Message Encryption

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: yes

Full Exchange support

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: no

Full Gmail Sync

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: yes

Snooze incoming emails

eM Client: yes

Outlook Classic: no

Outlook New: yes

MailBird: yes

Thunderbird: no

Watch for Replies

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

Notes support (local and server side)

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: no

Chat

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: yes

Thunderbird: yes

All Attachments View

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: yes

Thunderbird: no

Online Meetings (Zoom, MS Teams, Google Meet, Webex, IceWarp, GoToMeeting, Meetn)

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: no

Touch and Gestures support

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: no

AI Features

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: yes

Quick Actions (macros)

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: no

Profiles

eM Client: yes

Outlook Classic: yes

Outlook New: no

MailBird: no

Thunderbird: yes

Account groups

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

eM Sync

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

General

Multiple instances running simultaneously

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: yes

Inbox Categories

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: no

Chat collaboration services

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: yes

Thunderbird: yes

Recent badges

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: no

Mentions

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: no

Touch support

eM Client: yes

Outlook Classic: yes

Outlook New: no

MailBird: yes

Thunderbird: no

Swipe Gestures in the message list

eM Client: yes

Outlook Classic: no

Outlook New: yes

MailBird: yes

Thunderbird: no

Hi-res Display support

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: no

Built-in Themes (inc. Dark Theme)

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: no

Visual theme editor

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

Custom Themes support

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: yes

Thunderbird: yes

Account Avatars

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: yes

Thunderbird: no

Password Protection

eM Client: yes

Outlook Classic: yes

Outlook New: no

MailBird: no

Thunderbird: yes

Customizable Shortcuts

eM Client: yes

Outlook Classic: yes

Outlook New: no

MailBird: no

Thunderbird: no

Customizable Toolbars

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: yes

Customizable Notifications

eM Client: yes

Outlook Classic: no

Outlook New: yes

MailBird: no

Thunderbird: yes

Agenda View

eM Client: yes

Outlook Classic: yes

Outlook New: no

MailBird: yes

Thunderbird: yes

Sidebar Calendar

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: no

Customizable Widgets

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: yes

Backup

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

Full offline access

eM Client: yes

Outlook Classic: yes

Outlook New: no

MailBird: yes

Thunderbird: yes

Deduplicator tool

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

Searchable settings

eM Client: yes

Outlook Classic: no

Outlook New: yes

MailBird: no

Thunderbird: no

Complete online documentation

eM Client: yes

Outlook Classic: yes

Outlook New: no

MailBird: no

Thunderbird: yes

Notes support (local and server side)

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: no

Quick Filters

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: yes

Signature Library

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: no

QuickText Library

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

Command Palette

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

Account colors

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

eM Sync

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

AI Features

Custom AI Provider (BYOK)

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

AI Assistant

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: no

AI Writing composer

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: no

AI Summarize

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: no

Personalized AI writing

eM Client: yes

Outlook Classic: no

Outlook New: yes

MailBird: no

Thunderbird: no

Natural language search

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

AI rule creation

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

Quick reply buttons

eM Client: yes

Outlook Classic: no

Outlook New: yes

MailBird: no

Thunderbird: no

Task and event detection

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

Model Context Protocol (MCP)

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

Mail Protocols

IMAP

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: yes

POP3

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: yes

Exchange (EWS)

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: yes

MS Graph

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: yes

AirSync

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

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

Import

MS Outlook

eM Client: yes

Outlook Classic: yes

Outlook New: no

MailBird: yes

Thunderbird: yes

MS Outlook Express

eM Client: yes

Outlook Classic: yes

Outlook New: no

MailBird: no

Thunderbird: yes

Windows Mail (Vista)

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: yes

Windows Live Mail

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: yes

Thunderbird

eM Client: yes

Outlook Classic: yes

Outlook New: no

MailBird: yes

Thunderbird: no

Incredimail

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: yes

Thunderbird: no

The Bat!

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

EML Files

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: yes

MBOX

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: yes

iCalendar

eM Client: yes

Outlook Classic: yes

Outlook New: no

MailBird: yes

Thunderbird: yes

Contacts as Vcard

eM Client: yes

Outlook Classic: yes

Outlook New: no

MailBird: yes

Thunderbird: yes

Postbox

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

Calendar Protocols

CalDAV

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: yes

MS Exchange (EWS)

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: yes

Google Calendar

eM Client: yes

Outlook Classic: no

Outlook New: yes

MailBird: yes

Thunderbird: yes

iCalendar (Including Facebook Calendar)

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: yes

iCloud

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: yes

Office 365

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: yes

Calendar Features

Day/Week/Month View

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: yes

Multicalendar View

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: yes

Custom Views

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: yes

Tags

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: yes

Scheduling (IMIP)

eM Client: yes

Outlook Classic: yes

Outlook New: no

MailBird: no

Thunderbird: no

Free/Busy View

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: yes

Weather Forecast

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: yes

Multiple reminders

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

Advanced Recurrent Events

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: yes

Different backgrounds for Free/Busy/Tentative/Out of office

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: yes

Multiple time zones

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: no

Task Protocols

CalDAV

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: yes

MS Exchange (EWS)

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: yes

Google Tasks

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: yes

Office 365

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: yes

Task Features

Tags

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: yes

Advanced Recurrent Tasks

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: yes

View Tasks Directly in Calendar

eM Client: yes

Outlook Classic: yes

Outlook New: no

MailBird: no

Thunderbird: yes

Contacts Protocols

CardDAV

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: yes

MS Exchange (EWS)

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: yes

Google Contacts

eM Client: yes

Outlook Classic: no

Outlook New: yes

MailBird: no

Thunderbird: yes

iCloud

eM Client: yes

Outlook Classic: yes

Outlook New: no

MailBird: no

Thunderbird: no

Office 365

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: no

Contacts Features

Various contact views

eM Client: yes

Outlook Classic: yes

Outlook New: no

MailBird: no

Thunderbird: yes

Custom view

eM Client: yes

Outlook Classic: yes

Outlook New: no

MailBird: no

Thunderbird: yes

An exhaustive number of data fields

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: yes

Tags

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: yes

Thunderbird: no

Easy contact merging

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: yes

Thunderbird: no

Automatic acquiring of contacts' avatars

eM Client: yes

Outlook Classic: yes

Outlook New: yes

MailBird: no

Thunderbird: no

Chat Features

Direct messages

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

Multichat

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

Channels

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

File transfer

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

Threads

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

Chat Protocols

Jabber (XMPP)

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

Matrix

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

Slack

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

MS Teams

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

Thunderbird: no

Rocket.Chat

eM Client: yes

Outlook Classic: no

Outlook New: no

MailBird: no

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