Microsoft Outlook vs Mozilla Thunderbird

Not sure which of these tools fits your work? Compare Microsoft Outlook and Mozilla Thunderbird to see what you can do with each, what you'll pay and what to check before you choose.

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Check if these tools match how you work. Confirm the plans, limits and renewal prices with each provider before you choose.

Compare features and pricing for Microsoft Outlook, Mozilla Thunderbird
What matters to youMicrosoft OutlookMozilla Thunderbird
Best suited to
  • Businesses
  • Developers
Starting priceFrom $0.00 / free plan availableFree
CategoryOffice SoftwareOffice Software
Ratings shown4.7 / 5 (1 reviews shown)4.6 / 5 (1 reviews shown)
Features to compare
  • Multiple supported email accounts
  • Integrated calendars and contacts
  • Message organization and search
  • Event scheduling and reminders
  • Microsoft application connections
  • Multiple accounts and unified inbox
  • Message search and organization
  • Integrated calendars and contacts
  • Customizable add-on ecosystem
  • Windows, macOS, and Linux desktop support
Strengths
  • Combines mail and scheduling
  • Fits Microsoft-centered team workflows
  • Available on desktop, web, and mobile
  • Free and open source
  • Works with existing supported mail accounts
  • Customizable desktop environment
Considerations
  • Features vary by version and account
  • Complex configurations can feel crowded
  • Some workflows depend on extensions
  • Account setup and maintenance need attention

Before you decide

  1. Which tool fits the way you work?
  2. What will it cost you now and when you renew?
  3. Can you try it on a real task before you choose?

Questions you may have when comparing Microsoft Outlook and Mozilla Thunderbird

What's different about Microsoft Outlook and Mozilla Thunderbird?

Microsoft Outlook lists Multiple supported email accounts, Integrated calendars and contacts and Message organization and search. Mozilla Thunderbird lists Multiple accounts and unified inbox, Message search and organization and Integrated calendars and contacts. Start with the features you would actually use, then check which plan includes them. A shorter feature list doesn't necessarily mean a tool can't do something you need.

Which one will cost me less?

Compare the total for your team, not just the starting price. Check the billing period, currency, number of users, usage limits and renewal rate, then add any extras you need. If you try a free plan or trial, check what happens when you reach its limits.

How do I choose between Microsoft Outlook and Mozilla Thunderbird?

Pick a task you do often and try it in both tools. If you need Email Client Software, start there. See which feels easier to use and works with the tools you already rely on. Before you pay, check the plan limits and whether you can get the support you need.