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Compare Proton Mail For Business and Thunderbird 
Featured Products
At a Glance
Market Segments
Small-Business (54.8% of reviews)
Small-Business (64.3% of reviews)
Entry-Level Pricing
Starting at $6.99 1 User Per Month
No pricing available
Proton Mail For Business
Star Rating
(130)4.4 out of 5
Market Segments
Small-Business (54.8% of reviews)
Pros & Cons
Entry-Level Pricing
Starting at $6.99 1 User Per Month
Browse all 3 pricing plansThunderbird
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 ThunderbirdProton Mail For Business vs Thunderbird
When assessing the two solutions, reviewers found Proton Mail For Business easier to use, set up, and administer. Reviewers also preferred doing business with Proton Mail For Business overall.
- Reviewers felt that Proton Mail For Business meets the needs of their business better than Thunderbird.
- When comparing quality of ongoing product support, reviewers felt that Proton Mail For Business is the preferred option.
- For feature updates and roadmaps, our reviewers preferred the direction of Proton Mail For Business over Thunderbird.
Pricing
Entry-Level Pricing
Proton Mail For Business
Mail Essentials
Starting at $6.99
1 User Per Month
- 15 GB per user + 10 email addresses per user
- Use @yourcompany.com domain
- Robust spam and phishing protection
Thunderbird
No pricing availableFree Trial
Proton Mail For Business
Free Trial is available
Thunderbird
No trial information availableRatings
Meets Requirements
9.0
113
8.7
300
Ease of Use
8.8
114
8.7
301
Ease of Setup
9.2
17
8.8
72
Ease of Admin
9.1
15
8.4
58
Quality of Support
8.1
102
7.9
221
Has the product been a good partner in doing business?
9.3
12
8.1
41
Product Direction (% positive)
9.4
112
7.7
298
Features by Category
Inbox Tools
Not enough data
8.9
101
Not enough data
8.9
107
Not enough data
8.5
96
Not enough data
8.7
104
Coordination Tools
Not enough data
8.4
90
Not enough data
8.6
99
Not enough data
8.4
88
Software Options
Not enough data
9.1
107
Not enough data
7.6
60
Email Client - Agentic AI
Not enough data
Not enough data
Not enough data
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
7.1
8
Not enough data
6.9
8
Not enough data
6.9
8
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Encryption Techniques - Email Encryption
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Authentication, Verification, and Access Controls - Email Encryption
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Security Enhancements and Auditing - Email Encryption
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Integration, Compatibility, and Usability - Email Encryption
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Categories
Categories
Shared Categories
Proton Mail For Business and Thunderbird share no categories
Unique Categories
Proton Mail For Business is categorized as Email and Email Encryption
Thunderbird is categorized as Email Client and Email Management
Reviews
Reviewers' Company Size
Proton Mail For Business
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
Internet
9.4%
Information Technology and Services
8.7%
Hospitality
7.9%
Higher Education
7.1%
Computer Software
5.5%
Other
61.4%
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
Is ProtonMail legitimate?
2 Comments
JZ
Yes, I have been on their paid plan for a few years now. I highly recommend their services. They now have a cloud drive and a great VPN as well.Read more
When is the launching date of proton drive?
1 Comment
MC
As the Project Status is still "Under Development", any new information on its release will be added on the ProtonMail Twitter: @ProtonMail. Hope that helps.Read more
Can police track ProtonMail?
1 Comment
MM
From my opinion, police needs special permission to track protonmail, I guess in some cases that police is trying to track protonmail using illegal methods,...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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