Outlook to Introduce a Universal Web-Powered App

Outlook Web App Featured

As our tech world has expanded to multiple devices, between computers, tablets, phones, wearables, smart speakers, and more, it requires our services to find a way to reach all those devices. Microsoft thinks it has the answer in a project they have been working on, a universal web-powered app for Outlook.

New Web-Powered App for Outlook

The Outlook project powered by the Web, codenamed Project Monarch, is the product of Microsoft’s “One Outlook” vision. Its goal is to have an app that works across PC, Mac, and the Web. This one app would eliminate the five Outlook clients that currently handle Outlook.

Being powered by web technologies, the plan is for the new Outlook app to provide the same user experience and codebase for all versions. It will be smaller and accessible to all Outlook users, whether they’re users of the free version or commercial business users.

Outlook Web App Surface

The goal is for the new universal Outlook app to have native OS integrations, as well as offline storage, share targets, notifications, and more. The intention is for it to feel like a default app for any OS that it works on.


The universal web-powered Outlook app is still a ways away. Microsoft is not expected to begin previewing it until the end of 2021. The Windows 10 Mail and Calendar apps are expected to be replaced in 2022. There are plans as well to replace the legacy Win32 Outlook client, but that app won’t be easily replaced. It will be more of a gradual release.

If you don’t want to wait until the end of the year, you can download Outlook Web now. However, you won’t get a peek at all the new integrations that are being added to the Monarch client, but maybe it will serve as useful at least to get a feel for what’s ahead.

Outlook Web App Universal

Until the new web-powered Outlook app is ready, the Mail and Calendar apps on Windows 10 are in maintenance mode. Existing apps will get a minor update at some point in 2021 so that they’re on the same page as the Sun Valley update for Windows 10, yet they’re still expected to be replaced by the new Outlook.

If this sounds interesting to you, but you’re a Gmail user, read Gmail vs. Outlook.com: which is best? to compare the two and see which suits you better. If you’d rather steer clear of the whole thing, read about five great Outlook alternatives for all platforms.

Image Credit: Microsoft and public domain

Laura Tucker
Laura Tucker

Laura has spent nearly 20 years writing news, reviews, and op-eds, with more than 10 of those years as an editor as well. She has exclusively used Apple products for the past three decades. In addition to writing and editing at MTE, she also runs the site's sponsored review program.

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