Microsoft Outlook AlternativesOnly apps categorised as Office Suites

The best Office Suite alternative to Microsoft Outlook is Open365, which is both free and Open Source. If that doesn't work for you, our users have ranked more than 100 alternatives to Microsoft Outlook, but unfortunately only two of them are Office Suites.

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Microsoft Outlook alternatives are mainly Calendar Apps, but if you're looking for Email Clients or Office Suites you can filter on that. Other popular filters include EU, Linux, Windows + Free, Open Source, Windows + Open Source, Windows and Android. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Microsoft Outlook.
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Alternatives list

  1. Open365 icon

    Open365

     30 likes

    The open source cloud with LibreOffice online - LibreOffice online + Seafile + KDE. Improve your productivity and communicate better with your team members. The world is moving forward. Welcome to the open source cloud!.

    Cost / License

    • Free
    • Open Source

    Application types

    Alerts

    • Discontinued

    Platforms

    • Android
    • Self-Hosted
    Open365 screenshot 1
     
  2. Merge Calendar icon

    Merge Calendar

     Like

    Merge Calendar is a user friendly scheduling application. It is fully compatible with most digital calendar file formats. It is a great value in comparison to other scheduling applications. It is part of Merge Soft Office.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Windows
    Merge Calendar screenshot 1
     
2 of 2 Microsoft Outlook alternatives