Compare Microsoft Outlook and Thunderbird 
At a Glance
Market Segments
Enterprise (38.5% of reviews)
Small-Business (64.2% of reviews)
Entry-Level Pricing
No pricing available
No pricing available
Microsoft Outlook
Star Rating
(3,400)4.5 out of 5
Market Segments
Enterprise (38.5% of reviews)
Pros & Cons
Entry-Level Pricing
No pricing available
Learn more about Microsoft OutlookThunderbird
Star Rating
(337)4.3 out of 5
Market Segments
Small-Business (64.2% of reviews)
Pros & Cons
Entry-Level Pricing
No pricing available
Learn more about ThunderbirdSummary
AI Generated Summary
AI-generated. Powered by real user reviews.
- G2 reviewers report that Microsoft Outlook excels in user satisfaction, with many praising its ability to manage email overload through features like organized inboxes, calendars, and reminders. Users appreciate how the grouping of emails in threads helps them stay organized and set rules for sorting emails into specific folders.
- Users say that Thunderbird shines in its flexibility and customization options, particularly for those managing multiple email accounts. Reviewers highlight its powerful local filtering rules and the ability to consolidate various email accounts into a single shared inbox, making it a great choice for users who need to juggle different platforms.
- Reviewers mention that Microsoft Outlook offers a more intuitive setup process, with many finding the onboarding experience straightforward and user-friendly. This ease of setup is a significant advantage for those who want to get started quickly without a steep learning curve.
- According to verified reviews, Thunderbird is appreciated for its open-source nature and cost-effectiveness, as it is completely free. This makes it an attractive option for small businesses and individual users looking for a budget-friendly email solution without sacrificing functionality.
- G2 reviewers highlight that Microsoft Outlook provides superior support quality, with users noting responsive customer service and helpful resources. This level of support can be crucial for businesses that rely on email communication for their operations.
- Users report that while Thunderbird is effective for basic email tasks, it may not match the comprehensive features of Outlook, particularly in areas like task management and calendar integration. Outlook's robust task management tools and seamless calendar functionalities are often cited as essential for users managing complex schedules.
Pricing
Entry-Level Pricing
Microsoft Outlook
No pricing availableThunderbird
No pricing availableFree Trial
Microsoft Outlook
No trial information availableThunderbird
No trial information availableRatings
Meets Requirements
9.2
2,662
8.7
302
Ease of Use
9.0
2,740
8.7
303
Ease of Setup
9.1
920
8.8
73
Ease of Admin
8.6
317
8.4
59
Quality of Support
8.6
2,174
7.9
222
Has the product been a good partner in doing business?
8.8
298
8.1
42
Product Direction (% positive)
8.5
2,589
7.7
300
Features by Category
Inbox Tools
9.1
1074
8.9
102
8.9
1145
8.9
108
9.3
1150
8.5
96
9.2
1156
8.7
104
Coordination Tools
9.3
1171
8.4
91
8.9
1133
8.6
99
8.8
1079
8.4
88
Software Options
9.2
1142
9.1
109
8.7
1091
7.5
61
Email Client - Agentic AI
7.5
110
Not enough data
7.8
117
Not enough data
Calendar View
8.9
1216
Not enough data
8.9
1222
Not enough data
Shared Calendar
9.0
1225
Not enough data
8.9
1170
Not enough data
Accessibility
8.8
1055
Not enough data
8.6
1075
Not enough data
Integration
8.8
1128
Not enough data
8.8
1133
Not enough data
8.9
1203
Not enough data
Notifications
9.0
1173
Not enough data
8.5
970
Not enough data
Generative AI
7.4
421
Not enough data
7.5
422
Not enough data
7.3
421
Not enough data
Agentic AI - Calendar
7.7
162
Not enough data
Sorting & Filtering
Not enough data
9.3
7
Not enough data
9.8
7
Not enough data
8.0
5
Not enough data
9.3
7
Integrations
Not enough data
8.6
7
Not enough data
9.0
7
Not enough data
8.1
6
Time Management
Not enough data
9.5
7
Not enough data
8.8
7
Not enough data
9.0
5
Generative AI
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Agentic AI - Email Management
Not enough data
Not enough data
Not enough data
Not enough data
Generative AI
7.8
465
Not enough data
7.9
460
Not enough data
7.7
453
Not enough data
7.8
140
Not enough data
8.3
148
Not enough data
8.1
142
Not enough data
Categories
Categories
Shared Categories
Microsoft Outlook and Thunderbird are categorized as Email Client
Unique Categories
Thunderbird is categorized as Email Management
Reviews
Reviewers' Company Size
Microsoft Outlook
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Thunderbird
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Small-Business
(50 or fewer emp.)
Mid-Market
(51-1000 emp.)
Enterprise
(> 1000 emp.)
Reviewers' Industry
Information Technology and Services
13.3%
Computer Software
8.2%
Financial Services
3.6%
Hospital & Health Care
3.6%
Higher Education
3.4%
Other
67.9%
Information Technology and Services
13.3%
Computer Software
11.8%
Internet
6.7%
Marketing and Advertising
4.8%
Telecommunications
3.0%
Other
60.3%
Discussions
What are the latest integrations and features in Microsoft Outlook that enhance email communication and productivity?
5 Comments
SM
I like that you can pin conversations to the top of the email.Read more
What business advantages does Outlook give over Gmail?
5 Comments
DL
There are several. One main one is that your email is stored (with Exchange) on your own server's rather than Google's. Also, there is built-in MS Office...Read more
Has anyone managed to use the copy and paste function from excell?
2 Comments
AP
Strange -- when I do it, the columns and rows are maintained (though some of the formatting is not kept).
What version are you using? I'm still using...Read more
What is the use of Thunderbird software?
1 Comment
SK
It allows you to manage multiple emails in a single window without back and forth switching. That's the main use I found. Besides that, it also has a good...Read more
Has anyone managed to use the copy and paste function from excell?
1 Comment
BR
Thunderbird does not recognize Excel’s formatting the way Outlook can. But, it can recognize formatting from Word. Copy paste from Excel to Word, then from...Read more
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