A Windows 11 update appears to break Microsoft Teams and Outlook on Windows on Arm PCs. Issues started popping up after the rollout of KB5121003, which began shipping this month on Patch Tuesday.

Brian Stringfellow shared details about the problem through a Microsoft Learn report. Several people in that thread have similar issues.

PCs affected by the issue, including Stringfellow's Surface Laptop 7, see Microsoft Teams and Outlook close almost immediately after being opened. Specifically, the new Outlook is affected. Classic Outlook still works on PCs affected by the bug.

The problem seems to affect a variety of Windows on Arm devices. Julius Heng shared their experience:

"I have the exact same issue on Omnibook 3 running snapdragon. After the initial setup, Ms Teams works, but next day it doesnt work. It will have a white screen on teams and it will close right after it open. I tried various method, including reinstall webview 2 etc. None of it works. I tried to roll back all the update and it doesnt work. After did a factory reset Ms Teams works again. But to my dismay, the windows update itself and it breaks Teams again. right now, i'm back to square. Really hope that there's some way to rectify this."

It's not clear at this time why the issue is occuring or why the problem is limited to Windows on Arm PCs.

User Alex-L, who is listed as a moderator and Microsoft External Staff on Microsoft Learn, reported that similar issues are occurring on a variety of Windows on Arm systems:

"At this point, very similar symptoms on different Snapdragon/ARM64 systems. While these reports suggest a possible common factor, no one in this public forum can confirm Microsoft's internal investigations, determine the root cause, or verify whether this is a known issue affecting all ARM64 devices. Microsoft does not currently list a known issue for KB5121003 in the official release notes."

While we wait for official confirmation from Microsoft and a fix for the issue, users with Windows on Arm PCs may have to fall back to other versions of Outlook and Teams that are unaffected by the bug.

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Join Zac Bowden and Jez Corden on this week’s Windows Central Podcast as they dive deep into unreleased Microsoft hardware, AI developments, and big Xbox announcements!

• The Lost "Surface Phone" Prototype: Zach and Jez dissect newly leaked images and video of an unreleased 2013-era Microsoft-built Windows Phone prototype, reminiscing about the Lumia era, Nokia’s acquisition, and what could have been.
• Microsoft Copilot’s Super App & AI Disillusionment: A look at the rollout of the new unified Copilot experience (merging consumer and Microsoft 365 features), dropped functionalities (Group Chat, Podcast mode, Deep Research), and a frank discussion on AI hype, practical workflows, and "AI psychosis".
• Xbox Backward Compatibility Coming to Windows PC: The hosts break down the official announcement of original Xbox/Xbox 360 emulation on Windows, potential licensing hurdles, Play Anywhere integration, and upcoming achievement support.
• Gaming Rumors & Franchise Future: Updates on The Elder Scrolls VI codename rumors (Sentinel), long development cycles across Bethesda/Obsidian, and a candid critique of the state of the Halo franchise following Halo Campaign Evolved and project cancellations.
• New Xbox Console Features & Live Q&A: A discussion of the upcoming "Platinum Trophy" achievement equivalent, party/mic audio in Game DVR captures, and a live Q&A touching on Windows K2 progress, mobile shells for Windows on ARM, MSN's automation, and modern foldable vs. slab phones.

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• Jez Corden
• Zac Bowden

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Before Microsoft acquired Nokia, the company was heavily rumoured to be working on its own in-house Windows Phone device that was expected to ship in 2014 under the Surface moniker alongside its Surface Pro device. Unfortunately for Windows Phone fans, such a device never saw the light of day, but newly published images of a mysterious prototype might have just given us our first and only look at what Microsoft was exploring internally.

Possibly codenamed Raven, there isn't much information available about this prototype, other than the fact that it’s from the 2013-2014 time frame and is running an early pre-release build of Windows Phone 8.1. It’s powered by an unknown Qualcomm chip, has a 720p screen, features a Microsoft logo on the back, and a silver metal frame that matches the colour of the Surface 2 that released that same year.

We can see in the photos that it has dedicated hardware keys for navigation, which are also coated in the same silver color as the chassis. The build of Windows Phone that it’s running appears to be from September 2013, and is from an internal development branch building towards what eventually became Windows Phone 8.1.

While not viewable in the images, I understand the device features individual up and down volume buttons and a camera button on the right-hand side of the device, and a power button on the top of the device. It also features a micro-USB port and headphone jack on the bottom side, and a SIM card slot on the left side.

This is likely one of dozens of prototype designs that Microsoft’s hardware teams cooked up during this era, but it’s certainly a fascinating look at what could have been, and it does look so clean. Development on this device was likely paused once Microsoft moved to acquire Nokia in 2014.

Back in 2013, I remember hearing from sources that Microsoft was experimenting with the concept of a "Skype Phone," a Windows Phone device with mobile data that utilized Skype for calls and messaging instead of traditional carrier networks. Perhaps this device was going to be that? Who knows.

The Surface Phone we eventually got arrived as the Surface Duo, which started development in 2016 and launched to the public in 2020. In that time, Microsoft shipped Nokia designs in the form of the Lumia 640, 650, 950, and 550 running Windows Phone, before abandoning the platform in 2017.

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Microsoft's Surface Pro is on sale just in time for back-to-school season. The flagship 2-in-1 runs on Qualcomm's Snapdragon X2 Elite or Snapdragon X2 Plus processor, both of which promise a significant performance bump over the last generation.

A bunch of Surface Pro models are on sale right now across various retailers. I've listed the biggest deals below, starting with the 21% discount on the Surface Pro with Snapdragon X2 Elite, 16GB of RAM, and 1TB of storage.

Why buy a Surface Pro

The main reason to grab a newer Surface Pro is the processor you'll get. The Snapdragon X2 Plus and Snapdragon X2 Elite offer over a 50% graphics improvement over the last gen.

That performance bump helps everything from photo editing to everyday productivity tasks feel smoother.

Microsoft refined the design of the Surface Pro over more than a decade, resulting in a premium device that defines the category. There are good reasons why Apple and other companies try to copy the Surface Pro.

While imitation is a form of flattery, the Surface Pro still stands out because of its built-in kickstand that makes it easy to prop up. That kickstand-centered design is best taken advantage of with the Surface Pro Flex Keyboard, which happens to be discounted right now.

The Surface Pro Flex Keyboard that's on sale is compatible with the new Surface Pro that launched this year. If you're worried about compatibility, you can double-check your device on Microsoft's support document about Surface Pro keyboards.

The Surface Pro Flex Keyboard can be used wirelessly or when physically attached. If you've ever tried to use a laptop or a 2-in-1 on an airplane tray table or tiny desk, you'll know the struggle of feeling cramped. The Surface Pro Flex Keyboard lets you have the keyboard on your lap or a table while the PC sits elsewhere.

Like other PCs, the Surface Pro has crept up in price over the last year or so. The high price tag of the Surface Pro was the main complaint about the PC when it was announced. The current deals on the Surface Pro alleviate that issue, at least temporarily.

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