Compare eM Client to other products

Highlights

Calendar and Tasks

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Message Encryption

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Full Exchange support

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Full Gmail Sync

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Snooze incoming emails

eM Client: yes

Spark: yes

Apple Mail: no

Outlook for Mac: yes

Watch for Replies

eM Client: yes

Spark: yes

Apple Mail: no

Outlook for Mac: no

Notes support (local and server side)

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Chat

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

All Attachments View

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

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

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Gestures support

eM Client: yes

Spark: yes

Apple Mail: no

Outlook for Mac: no

AI Features

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Quick Actions (macros)

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Profiles

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Account groups

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

eM Sync

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

General

Multiple instances running simultaneously

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Inbox Categories

eM Client: yes

Spark: yes

Apple Mail: no

Outlook for Mac: yes

Chat collaboration services

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Recent badges

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Mentions

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Touch support

eM Client: yes

Spark: yes

Apple Mail: no

Outlook for Mac: no

Swipe Gestures in the message list

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Hi-res Display support

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Built-in Themes (inc. Dark Theme)

eM Client: yes

Spark: yes

Apple Mail: no

Outlook for Mac: yes

Visual theme editor

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Custom Themes support

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Account Avatars

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Password Protection

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Customizable Shortcuts

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: no

Customizable Toolbars

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Customizable Notifications

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Agenda View

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Sidebar Calendar

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Customizable Widgets

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Backup

eM Client: yes

Spark: yes

Apple Mail: no

Outlook for Mac: yes

Full offline access

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Deduplicator tool

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Searchable settings

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Complete online documentation

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Notes support (local and server side)

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Quick Filters

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Signature Library

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

QuickText Library

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Command Palette

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Account colors

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

eM Sync

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

AI Features

Custom AI Provider (BYOK)

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

AI Assistant

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

AI Writing composer

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

AI Summarize

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Personalized AI writing

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Natural language search

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

AI rule creation

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Quick reply buttons

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Task and event detection

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Model Context Protocol (MCP)

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Mail Protocols

IMAP

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

POP3

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Exchange (EWS)

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

MS Graph

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

AirSync

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Mail Features

Conversations

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Communication History

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Attachment History

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

All Attachments View

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Full text search in attachments such as Word, Excel, PDF

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Advanced Search

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

IMAP and Exchange/Office365 server search

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Secure Communication (SSL/TLS)

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

S/MIME support

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

PGP support

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Email rules

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Rules library

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Server rules for Exchange/Office365 and IceWarp

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Read Receipt

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Delivery Receipt

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Watch for Replies

eM Client: yes

Spark: yes

Apple Mail: no

Outlook for Mac: no

Spell Check

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Mass Mail

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Delayed Send

eM Client: yes

Spark: yes

Apple Mail: no

Outlook for Mac: yes

Snooze incoming emails

eM Client: yes

Spark: yes

Apple Mail: no

Outlook for Mac: yes

Message pinning

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Auto BCC

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Translation of Incoming Messages

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Translation of Outgoing Messages

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Templates

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Signatures

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Quick Text

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: no

Tags

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Phishing Protection

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Password

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Favorite Folders

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Smart Folders (Global)

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Saved Search Folders

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Smart Paste

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Emojis

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Stickers

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Gif support

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

One-click archive function

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Automatic Archiving

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Automatic Replies (Out of Office)

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Cloud storage support for attachments (Dropbox, OneDrive, Google Drive)

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Thread view

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Avatars

eM Client: yes

Spark: yes

Apple Mail: no

Outlook for Mac: yes

Message preview

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Tracking pixel detection

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Resend

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Limited time sync

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Support for 3rd party PGP keys lookup services

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Notes for email

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Undo Send

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Import

MS Outlook

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

MS Outlook Express

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Windows Mail (Vista)

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Windows Live Mail

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Thunderbird

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Incredimail

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: no

The Bat!

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

EML Files

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

MBOX

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: no

iCalendar

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Contacts as Vcard

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Postbox

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: no

Calendar Protocols

CalDAV

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: no

MS Exchange (EWS)

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

iCloud

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: no

Google Calendar

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

iCalendar (Including Facebook Calendar)

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Office 365

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Calendar Features

Day/Week/Month View

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Multicalendar View

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Custom Views

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Tags

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Scheduling (IMIP)

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Free/Busy View

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Weather Forecast

eM Client: yes

Spark: yes

Apple Mail: no

Outlook for Mac: yes

Multiple reminders

eM Client: yes

Spark: yes

Apple Mail: yes

Outlook for Mac: yes

Advanced Recurrent Events

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

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

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Multiple time zones

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Task Protocols

CalDAV

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: no

MS Exchange (EWS)

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Google Tasks

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: no

Office 365

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Task Features

Tags

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Advanced Recurrent Tasks

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

View Tasks Directly in Calendar

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Contacts Protocols

CardDAV

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: no

MS Exchange (EWS)

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Google Contacts

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

iCloud

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Office 365

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Contacts Features

Various contact views

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Custom view

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

An exhaustive number of data fields

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Tags

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Easy contact merging

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: no

Automatic acquiring of contacts' avatars

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Chat Features

Direct messages

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Multichat

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Channels

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

File transfer

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Threads

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Chat Protocols

Jabber (XMPP)

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Matrix

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Slack

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

MS Teams

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Rocket.Chat

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: no

Business Features

Managing users' settings centrally

eM Client: yes

Spark: yes

Apple Mail: no

Outlook for Mac: no

Central management of Signatures

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Central management of Templates

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Central management of Quick Texts

eM Client: yes

Spark: no

Apple Mail: no

Outlook for Mac: yes

Advanced scheduling scenarios

eM Client: yes

Spark: yes

Apple Mail: no

Outlook for Mac: no

Global address list support

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes

Access Control

eM Client: yes

Spark: yes

Apple Mail: no

Outlook for Mac: yes

Shared Folders support

eM Client: yes

Spark: yes

Apple Mail: no

Outlook for Mac: yes

Customer support with remote access

eM Client: yes

Spark: no

Apple Mail: yes

Outlook for Mac: yes