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What makes eM Client so exceptional

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