Mozilla Thunderbird logo Mozilla Thunderbird logo background glow

Mozilla Thunderbird

An email client with calendar, contacts, newsreader and chat functionality

&

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Unified Inbox
Access all your messages, calendars, and contacts in one fast app, simplifying your email management.
+
Search and Filtering
Pinpoint specific emails using the search interface with filtering and timeline tools.
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Indexing
Thunderbird indexes all your emails and chat conversations for faster searches.
+
Calendar Integration
Manage your schedule with the built-in calendar.
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Contact Management
Organize contacts and address books within Thunderbird.
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Multiple Account Support
Manage different email accounts separately or in a unified inbox.
+Add-ons and Extensions
Extend functionality with various add-ons.
+
Tagging
Quickly find important emails by tagging them.
+
Smart Folders
Automatically organize emails based on criteria like unread status or tags.
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Encryption Support
Secure your communications with built-in encryption options.
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Attachment Management
Handle attachments, including saving them to specific folders.
+
Chat Client
Communicate via IRC, XMPP, or Matrix directly from the app.
+
Attachment Reminder
Get alerted if you forget to attach files to your emails.
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Tabbed Email
Open emails in separate tabs for efficient multitasking.
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Customizable Interface
Easily tailor the app to match your workflow and visual preferences.
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Limited Built-in Features
Requires add-on for simple features such as auto sync, Google Calendar and cloud integrations.
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No read receipts
Doesn’t show if your email has been read.

Platform

Desktop

Social

System Requirements

#MinimumRecommended
1
glibc 2.17 or higher GTK+ 3.14 or higher libdbus-glib 0.6.0 or higher libglib 2.42 or higher libstdc++ 4.8.1 or higher libxtst 1.2.3 or higher X.Org 1.0 or higher (1.7 or higher is recommended)
DBus 1.0 or higher NetworkManager 0.7 or higher PulseAudio X.Org 1.7 or higher
2
Please note that GNU/Linux distributors may provide packages for your distribution that have different requirements.
#Minimum
1
macOS 10.12 or later
2
An Intel x86 or Apple Silicon processor
3
1 GB
4
500 MB + additional hard drive space for mail storage
#MinimumRecommended
1
Windows 7 or later
2
1GHz or faster Intel/AMD compatible processor
3
1 GB
2 GB for 64 bit
4
250 MB + additional hard drive space for mail storage

Ratings

3.87
5

CNET
4.0
5
based on 1235 reviews
CNET
4.0
5
based on professional's opinion
FileHippo
7.0
10
based on 163 reviews
FileHippo
6.0
10
based on 221 reviews
FileHorse
8.2
10
based on 179 reviews
FileHorse
9.0
10
based on 8 reviews
FileHorse
9.0
10
based on 3 reviews
FileHorse
7.0
10
based on 22 reviews
G2CROWD
4.2
5
based on 240 reviews
MacUpdate
4.1
5
based on 328 reviews
PCMag
4.0
5
based on professional's opinion
Softonic
8.0
10
based on 911 reviews
Softonic
7.0
10
based on 158 reviews
Softpedia
4.2
5
based on 753 reviews
Softpedia
4.1
5
based on 99 reviews
TechRadar
4.0
5
based on professional's opinion
TechSpot
3.0
5
based on 65 reviews
TechSpot
4.4
5
based on 15 reviews
Uptodown
3.0
5
based on 6 reviews

Developer

Written in

C++, JavaScript, Python, CSS

Initial Release

2003-07-28

Repository

License

Categories

Alternatives

Email Client

Feed Reader
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News Reader
No alternative software available under 'News Reader' category.
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