G2 Vendor Directory

Microsoft Outlook vs. Thunderbird

A side-by-side comparison based on G2 review data.

MetricMicrosoft Outlook

by Microsoft

Thunderbird

by Mozilla

Overall rating4.54.3
Review count3,559340
Ease of use9.18.9
Ease of setup9.29.0
Quality of support8.88.2
Meets requirements9.38.9
NPS69.5076352.39521
Small Business25.2%64.9%
Mid-Market36.5%24.5%
Enterprise38.2%10.6%
Total page views3,586961
Total LLM citations9,33010,273

Microsoft Outlook

Microsoft Outlook is a comprehensive email and calendar application designed to help users stay connected and organized across various devices. It integrates email, calendar, contacts, and tasks into a single platform, enabling efficient management of communications and schedules. With a Microsoft 365 subscription, users can share attachments directly from OneDrive, access contacts, and view LinkedIn profiles, enhancing productivity and collaboration.

Pros

  • Ease of Use
  • Calendar Integration
  • Integrations
  • Scheduling
  • Features
  • Intuitive

Thunderbird

Thunderbird is a free, open-source email client developed by Mozilla, designed to provide users with a secure, customizable, and efficient email management experience. Compatible with Windows, macOS, and Linux, Thunderbird supports multiple email protocols, including POP and IMAP, allowing seamless integration with various email services. Its user-friendly interface and robust feature set make it a preferred choice for individuals and organizations seeking a reliable alternative to proprietary email clients.

Pros

  • Functionality Features
  • Ease of Use
  • Inbox Management
  • Efficiency
  • Customer Support
  • Security