Microsoft’s latest WebView 2 Outlook application has received mixed reviews. Some users dislike or even resist the new version. According to previous reports, Microsoft has temporarily allowed users to revert to the old version of UWP email. application. Regarding the classic version (Win32) Outlook application, Microsoft recently announced a new version of the Outlook roadmap. The new roadmap shows that the company will continue to provide support for the classic version of Outlook until at least 2029. This commitment ensures that users relying on this release will have an extended migration period while still receiving basic support and security updates.

Microsoft will continue to roll out the WebView 2 version of Outlook for business customers using the same phased approach as the new version of Outlook for Mac. During this process, Microsoft promises to continue to adhere to the published support schedule for existing versions of Outlook for Windows and to ensure that relevant core application support will be available through 2029.

However, Microsoft plans to end support for the UWP mail app on December 31, 2024. At that time, users will no longer be able to download the UWP version of the mail client from the Microsoft App Store. Additionally, the installed one can be updated to “an empty shell version (when opened, it will show that the app is disabled, forcing the user to go to the new version on the App Store page).”

Win32 classic version of Outlook

The Win32 classic version of Outlook is a desktop application that Microsoft has been working on consolidating with the new Outlook for Windows since at least 2021. This classic version, also known as the Win32 version, is different from the newer web-based Outlook client for Windows. Despite ongoing development efforts, the new unified Outlook still lacks key features such as offline support, PST support, and compatibility with legacy COM add-ins.

Microsoft Outlook

Microsoft’s plan involves gradually moving users from the classic Win32 version to the new Outlook for Windows over at least two years. The company aims to use artificial intelligence (AI) to improve productivity in the new Outlook. Business customers will get a year’s notice before the Classic Win32 version of Outlook is retired, allowing Microsoft to respond to feedback and feature gaps.

To determine if you are using the classic Win32 version of Outlook, you can check for a “File” option on the ribbon. If this option is available, you are using the classic version. In contrast, the new Outlook lacks this “File” option and includes options for tabs like Home, View, and Help. Additionally, users can check version-specific information by following the steps outlined by Microsoft.

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Phases of transition to a new Outlook

Microsoft’s roadmap for moving users to the new Outlook includes several key milestones:

1. General Availability (GA): During this phase, the new Outlook for Windows moves from preview to general availability. Customers with an appropriate license have access to regular technical support.
2. Opt Out: At this point, the new Outlook becomes the default experience, but users can still opt out and go back to classic Outlook.
3. Transition: The transition stage marks the point at which users lose the ability to switch back to classic Outlook. New deployments from Microsoft 365 subscriptions will include the new Outlook, while existing perpetual licensing installations will continue to receive support.

User feedback and readiness

User feedback plays a critical role in shaping the development of features in the new Outlook. Microsoft actively seeks input from users switching between classic and new versions, using this feedback to improve the user experience and prioritize feature development. As Microsoft unveils the new Outlook for Windows, organizations are encouraged to prepare for migration and deployment. The company is developing content to guide organizations through this transition, emphasizing the importance of feedback in refining the latest version of Outlook.

Microsoft Outlook


In conclusion, Microsoft’s strategic roadmap for Outlook reflects a balanced approach to address user needs and technology development. The company’s decision to support the Win32 classic version of Outlook until 2029 demonstrates a commitment to user satisfaction and gives organizations enough time to smoothly transition to newer versions.

A phased transition plan, including stages such as general availability, failover, and outage, ensures that users have the flexibility to adapt to changes at their own pace while receiving the necessary support and guidance from Microsoft. This approach not only promotes user confidence, but also facilitates a seamless migration process, minimizing disruption to productivity and workflows.

Additionally, Microsoft’s emphasis on user feedback underscores its commitment to continuous improvement and responsiveness to customer preferences. By actively soliciting and incorporating input from users, Microsoft can improve the new Outlook experience, address feature gaps, and improve overall usability.

As organizations prepare for the transition to newer versions of Outlook, the development of Microsoft’s migration resources and readiness content signals a proactive stance toward facilitating a smooth migration process. This proactive support framework enables organizations to effectively navigate change and leverage the full potential of Outlook’s evolving capabilities.

Overall, Microsoft’s commitment to user-centric innovation combined with a structured approach to product evolution and support position Outlook as a reliable and adaptable solution for modern workplace communication and productivity needs. With a clear roadmap in place and a focus on user satisfaction, Microsoft should lead the way in shaping the future of email and productivity tools in the digital age. What do you think about the long support for the classic version of Outlook on Win32? is it a good idea Let us know your thoughts in the comments section below

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Microsoft will provide support for the Win32 classic version of Outlook until 2029