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As technology moves forward, so do the ways we communicate. The world is rapidly changing with cloud computing, hybrid ways of working, and generative AI. To keep up with all these changes, Outlook is getting a makeover too. The updated Outlook for Windows is built to meet the needs of modern email and time management, with agility, consistency, and manageability.

Since I last connected with you in November 2024, Outlook for Windows has evolved rapidly – delivering dozens more capabilities from classic Outlook, key improvements for Shared Mailbox, Offline and PST, and many new experiences to enhance productivity. This update shares examples and details on how Outlook for Windows is:

• Agile: Built to be responsive to your emerging needs


• Consistent: Streamlined across Windows and web


• Manageable for IT: Faster resolutions with less effort

Agility: Built to be responsive to your emerging needs

Every month you will see us deliver top requested capabilities from classic Outlook, new Copilot innovation, and improved stability and performance. Outlook for Windows is packed with capabilities designed to boost your productivity and make your day-to-day tasks easier.

Innovation built in

Outlook for Windows’ new agile codebase has made it easier for stability, performance and security by design. We deliver features that were never implemented in classic Outlook. Now, you can enjoy top-requested features in Outlook like pinning important emails, tabbed search to find people, files and Teams messages more easily, iCal sync, scheduled mail, new themes and colored mailbox folders, and more. We’ve updated meeting experiences to support hybrid and global participation with capabilities such as support for up to 21 time zones and hybrid RSVP, sorting and search for tracking attendees, and the ability to follow meetings to be aware of what happened without needing to attend. These new time management features are ideal for our most dedicated users, including delegates.

New shared mailbox capabilities

We heard you! One of the top experiences we are improving is working with shared mailbox experiences. Outlook for Windows blends classic Outlook capabilities for shared mailboxes with new capabilities to address your long-standing needs.

You can now add shared mailboxes as accounts alongside shared folders. With the new “Shared with me” page you can now view permissions on shared folders or mailboxes to identify and resolve access issues. You can control how the shared mailboxes and folders will be displayed in the Folder pane. The Folder pane also gives a clear visual distinction to shared mailboxes compared to dedicated email accounts, making them easy to access and use throughout your day. More functionality is coming soon, including Archives in shared mailboxes and more (available in Targeted Release and coming to Standard Release in July).

Copilot agility

For those aiming to maximize productivity with Copilot, we are adding Copilot features into Outlook every month. With Outlook for Windows’ agile codebase, you will find the latest Copilot enhancements first, including the Chat side pane, Summarize, Drafts, Schedule from email, and more. Commercial users will value the new “Prioritize my Inbox” that helps users stay on top of their highest priority mail (rolling out gradually). 

Prioritize capabilities in Outlook for Windows and web

Newsletters

Communications through Outlook continue to evolve to meet user needs. The new Outlook Newsletters experience lets you quickly and easily create and send structured, professional, and richly formatted internal email newsletters within Outlook. This capability helps you keep your team informed and engaged. Each newsletter acts as a home for subsequent editions, making it easy to browse past issues and view aggregated analytics across the series. Readers can discover and subscribe to newsletters shared within your organization to stay informed on key topics and projects. While in Public Preview, admins can enable it for some or all users in an organization, and General Availability will follow in a few months. Newsletters are coming to Outlook for Windows and web first, and we plan to bring them to other Outlook clients. Copilot support for Newsletters is on the way, unlocking new ways to create clear and compelling communications with ease.

Newsletters in Outlook for Windows and web

Consistency: Streamlined across Windows and web

The updated Outlook for Windows is all about delivering modern and comprehensive communications and time management experiences. We continue to balance delivering more of your favorite capabilities available in classic Outlook and innovation to meet your needs based on your feedback and requests. In-app feedback and upvoting are key to helping us prioritize what to work on next. For instance, Offline and PST support are top requests, and we have a stream of capabilities rolling out for these critical features, shown below.

Offline capabilities

Outlook for Windows already supports core offline capabilities to read and compose emails and boot while offline. Here’s a look at the latest Offline capabilities including Search (available now), attachments, event creation, updates, deletion, and RSVP (rolling out).

Search email:

Open an attachment:

Create and delete an event:

PST capabilities

For users who store their content in PST mailboxes, we have many recent improvements to share. Now Outlook for Windows supports reply and forwarding emails in the PST, adding PST folders to Favorites, and dragging and dropping emails from the PST to the mailbox (or vice versa).

The ability to export an entire mailbox or set of folders to a PST is now in Targeted Release. Importing from a PST, auto-export (aka auto-archive), people details in Profile cards, and support for read-only Calendar is coming later this year.

Integrations across Windows and Microsoft 365

Outlook is deeply integrated with the Windows operating system to bring functionality that users expect of a rich, native app. This includes opening attachments in the native default app users choose, dragging and dropping attachments to the desktop, windowing, notifications, and more. Outlook for Windows is also seamlessly integrated with Microsoft Teams, without the need to install a separate add-in.

More seamless switching across devices

Outlook users are constantly on the move, switching between different devices and contexts throughout their day. When you add a new device, you do not need to reconfigure your settings. This focus on consistency is something our commercial customers have been asking for, and we’re excited about delivering it. Plus, thanks to the common codebase, web users also enjoy most of the innovations and classic capabilities arriving in Outlook for Windows.

Manageability: Faster resolutions with less effort

For IT admins, Outlook for Windows deploys updates similarly to Outlook for web and Microsoft Teams, offering service-backed delivery that ensures predictable changes with Targeted Release and roadmap notifications. This means less time spent on build management. Plus, with changes delivered as a service, you should see a reduction in deployment costs.

Both Outlook for Windows and web use Mailbox policies to manage the client experience. These policies help standardize settings, like attachment settings, for specific groups of users. This means users have a more consistent experience across platforms, as the policies are applied to a user’s mailbox. IT admins can learn more about which policies from classic Outlook map to Outlook for Windows policies here and review the new security whitepaper here.

Admins have a growing set of documentation in learn.microsoft.com and adoption.microsoft.com. We’re making sure the transition to Outlook for Windows is as smooth as possible with migration aids such as the admin-controlled migration policy and you can now track new and classic Outlook usage in either the M365 or Exchange Admin Centers.

M365 Admin Center with Outlook for Windows and classic Outlook usage reporting

Transition to new Outlook for Windows

The transition to Outlook for Windows is intended to be gradual, allowing you ample time to explore and become comfortable with its new capabilities. We recommend using the toggle in classic Outlook to try the updated Outlook for Windows experience. This will copy your settings, forward your protocols, and provide a welcoming experience. If you encounter a situation where the new Outlook experience lacks a critical function for your workflow, you can easily toggle back to classic Outlook. Don’t forget to provide feedback to let us know what’s missing.

A great way to facilitate the transition is to run Outlook for Windows side-by-side with classic Outlook. However, we encourage you to spend as much time as possible working in the updated Outlook experience. This will help you fully experience its enhanced capabilities and discover new, efficient ways of communicating. 

Thousands of organizations have started migration with pilots and are working towards full-scale migration. Many organizations have already migrated, including some very large-scale organizations already surpassing 50% migration to Outlook for Windows. For more details on the timeline: New Outlook: Guide to product availability | Microsoft Learn

What’s next?

We continue to bring more classic capabilities and innovation every month. We encourage you to try the updated Outlook for Windows experience. If a needed capability is missing, let us know. To submit your feedback, go to the Help tab and select Feedback. 

You can track the progress we are making through four different resources: