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Compare Microsoft Outlook and Thunderbird 
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At a Glance
Market Segments
Enterprise (39.0% of reviews)
Small-Business (64.3% of reviews)
Entry-Level Pricing
No pricing available
No pricing available
Microsoft Outlook
Star Rating
(3,262)4.5 out of 5
Market Segments
Enterprise (39.0% of reviews)
Pros & Cons
Entry-Level Pricing
No pricing available
Learn more about Microsoft OutlookThunderbird
Star Rating
(335)4.3 out of 5
Market Segments
Small-Business (64.3% of reviews)
Pros & Cons
Entry-Level Pricing
No pricing available
Learn more about ThunderbirdSummary
AI Generated Summary
AI-generated. Powered by real user reviews.
- Users report that Microsoft Outlook excels in its Unified Inbox feature, scoring 9.0, which allows for seamless management of multiple email accounts in one place, while Thunderbird's similar feature scores slightly lower at 8.9.
- Reviewers mention that Outlook's Calendar Collaboration is highly rated at 9.0, making it easier for teams to coordinate schedules, whereas Thunderbird's collaboration tools are rated lower at 8.4, indicating less robust functionality in this area.
- G2 users highlight Outlook's superior Reminders feature, with a score of 9.3, which helps users stay on top of tasks and appointments, while Thunderbird's reminders are rated at 8.5, suggesting they may not be as effective or user-friendly.
- Users on G2 appreciate Outlook's Quality of Support, scoring 8.6, which indicates a more reliable support system compared to Thunderbird's score of 7.9, where users have reported longer response times and less helpful assistance.
- Reviewers say that Outlook's Mobile Application is rated at 8.7, providing a solid mobile experience, while Thunderbird's mobile app is rated lower at 7.4, leading to concerns about its usability and feature set on mobile devices.
- Users report that Outlook's AI Text Generation feature, with a score of 7.9, offers innovative tools for drafting emails, while Thunderbird lacks comparable AI features, which may limit productivity for users looking for advanced writing assistance.
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
2,534
8.7
300
Ease of Use
9.0
2,605
8.7
301
Ease of Setup
9.1
787
8.8
72
Ease of Admin
8.6
306
8.4
58
Quality of Support
8.6
2,068
7.9
221
Has the product been a good partner in doing business?
8.9
287
8.1
41
Product Direction (% positive)
8.5
2,466
7.7
298
Features by Category
Inbox Tools
9.0
1051
8.9
101
8.9
1115
8.9
107
9.2
1121
8.5
96
9.2
1129
8.7
104
Coordination Tools
9.3
1127
8.4
90
8.9
1108
8.6
99
8.8
1060
8.4
88
Software Options
9.2
1120
9.1
107
8.7
1066
7.6
60
Email Client - Agentic AI
7.4
104
Not enough data
7.6
106
Not enough data
Calendar View
8.9
1201
Not enough data
8.9
1204
Not enough data
Shared Calendar
9.0
1202
Not enough data
8.8
1156
Not enough data
Accessibility
8.8
1053
Not enough data
8.5
1068
Not enough data
Integration
8.8
1114
Not enough data
8.8
1125
Not enough data
8.9
1146
Not enough data
Notifications
9.0
1153
Not enough data
8.5
966
Not enough data
Generative AI
7.4
418
Not enough data
7.5
418
Not enough data
7.3
419
Not enough data
Agentic AI - Calendar
7.6
153
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
456
Not enough data
7.8
454
Not enough data
7.7
451
Not enough data
7.8
135
Not enough data
8.2
139
Not enough data
8.0
138
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
13.4%
Computer Software
8.2%
Hospital & Health Care
3.7%
Financial Services
3.7%
Marketing and Advertising
3.4%
Other
67.6%
Information Technology and Services
13.1%
Computer Software
11.9%
Internet
6.7%
Marketing and Advertising
4.9%
Telecommunications
3.0%
Other
60.4%
Discussions
What business advantages does Outlook give over Gmail?
5 Comments
SP
As an e-mail client, Outlook is unexceptional. The driving difference is whether you want the overhead & control of hosting Exchange, or are content letting...Read more
What are the latest integrations and features in Microsoft Outlook that enhance email communication and productivity?
4 Comments
SM
I like that you can pin conversations to the top of the email.Read more
Has anyone managed to use the copy and paste function from excell?
2 Comments
EC
CONTROL-V or right-click and Paste will keep the cells intact. Right click and "Paste Without Formatting" pastes only the raw data, but not in cells. 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
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
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