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Nadella has lost the plot calling Copilot an OS again, it's a web app on Windows 11
Winsage
October 4, 2026

Nadella has lost the plot calling Copilot an OS again, it’s a web app on Windows 11

Satya Nadella has referred to Copilot as a “new OS for work” during a leadership update, following Microsoft's introduction of the latest iteration of Copilot. The new Copilot app, which replaces the previously named Microsoft 365 Copilot, is currently available for users, although some features like Home, Code, and Autopilot are still forthcoming. The app operates as a standard Windows application, specifically a rebranded Microsoft Edge launcher built on a Chromium framework. Nadella reiterated his vision for Copilot in a post dated October 1, emphasizing its role in consolidating various work functions into a single platform. The Copilot app integrates features such as Home, Office applications, and a proactive command center named Today. Currently, the app primarily functions as a chat interface, with significant features yet to be rolled out. The architecture of Copilot relies on a lightweight launcher and a complete Edge build, resulting in high RAM consumption. Microsoft has shifted Copilot’s architecture from a native WinUI version to a web-based wrapper, supported by a secondary component for additional functionalities. Internal documents reveal a vision for a prototype called CopilotOS, indicating a long-standing ambition to create a cohesive workspace.
"We're building Copilot as a new OS," says Satya Nadella, even as Microsoft strips it from Windows 11
Winsage
September 26, 2026

“We’re building Copilot as a new OS,” says Satya Nadella, even as Microsoft strips it from Windows 11

Microsoft CEO Satya Nadella announced a unified Copilot experience that integrates Home, Code, and Autopilot into a single application, transforming the Microsoft 365 suite into a “super app.” Copilot is described as a “new OS for work,” serving as a central hub for productivity across various tasks and devices. The Home section features Chat and Cowork functionalities, while the Office section includes full integration of Word, Excel, and PowerPoint. The Code feature allows users to create applications using natural language, democratizing app development. Autopilot, previously known as Scout, functions as a virtual colleague that manages tasks and projects. Microsoft has revised its pricing model to include a standard per-user subscription for basic functionalities and a usage-based billing model for advanced features. The announcement on September 25 met the timeline set during the Build 2026 conference, although features are still being rolled out incrementally. The new Copilot experience aims to enhance user interaction with AI without introducing a new operating system.
Microsoft 365 Companion Apps Are Being Retired
Winsage
September 24, 2026

Microsoft 365 Companion Apps Are Being Retired

Microsoft will retire its Microsoft 365 companion apps for Windows 11, including the Calendar, People, and Files companion apps, by December 16, 2026. These apps were introduced at no additional cost to users with eligible Microsoft 365 or Office 365 licenses, with the Files and People apps debuting in March 2025 and the Calendar app in May 2025. Microsoft integrated its Copilot feature into these applications last October. Users are advised not to wait until the retirement date, as the apps will become non-functional prior to December 16. Administrators can remove these apps as needed, and Microsoft has provided a template for notifying users. Alternatives for functionality include Outlook, Teams, Windows Search Box, File Explorer, SharePoint, OneDrive, and Office applications.
Excel keeps people on Windows, and a Linux distro creator wants Microsoft to end that
Winsage
September 7, 2026

Excel keeps people on Windows, and a Linux distro creator wants Microsoft to end that

Omarchy is a Linux distribution created by David Heinemeier Hansson (DHH), designed for developers and creators, based on Arch Linux. DHH has challenged Microsoft to develop native Office applications for Linux, highlighting that while Microsoft 365's web version is available, Linux users only access about 90% of the functionality compared to Windows users. Microsoft’s revenue from Windows has decreased by 7% year-over-year, while Microsoft 365 Commercial cloud revenue has grown by 14%, and Azure by 43%. Windows now accounts for only 5% of Microsoft's total revenue, indicating a shift towards cloud services. Microsoft has launched Edge for Linux and supports tools like VS Code and PowerShell on the platform. The web version of Office lacks features found in the desktop version, affecting usability for professionals. Despite Linux's growing interest, particularly through the Windows Subsystem for Linux (WSL), it may not be enough to prompt Microsoft to prioritize a native Office port. DHH's Omarchy aims to create a user-friendly Linux experience rather than convert Windows users.
Microsoft Edge is ending support for MDAG and WIP in Windows 10
Winsage
August 23, 2026

Microsoft Edge is ending support for MDAG and WIP in Windows 10

Microsoft has phased out support for Microsoft Defender Application Guard (MDAG), starting with its deprecation for Office applications in November 2023 and for the Edge browser in December 2023. By April 2024, MDAG was removed from Edge and other browser stores, and it was completely eliminated from Windows 11, version 24H2. Microsoft is finalizing the retirement of MDAG by discontinuing support in Edge entirely. The advisory MC1459132 indicates that this phase affects Microsoft Edge users on Windows 10, as Windows Information Protection (WIP) was already phased out in favor of Microsoft Purview in 2022. Organizations using WIP are advised to transition to Microsoft Purview Information Protection, Microsoft Purview Data Loss Prevention (DLP), Endpoint DLP, and Intune app protection policies. Users of MDAG should utilize Edge's built-in security features and consider other isolation solutions. Support for WIP and MDAG will officially end by September 2026, and functionalities related to them will stop in Microsoft Edge 154 and later versions. IT administrators are encouraged to begin migration activities to avoid disruptions.
Microsoft Releases August 2026 Patch Tuesday Updates
Winsage
August 11, 2026

Microsoft Releases August 2026 Patch Tuesday Updates

Microsoft has released the August 2026 Patch Tuesday updates for all supported versions of Windows 11, including the KB5121000 update for version 26H1, which introduces a new Screen tint accessibility option, a subdued Widgets experience, and the ability to pause Windows Updates for up to 35 days. The KB5121003 update for versions 25H2 and 24H2 includes new gesture controls for precision touchpads, enhanced Windows Hello security for peripheral fingerprint sensors, taskbar notification badges reflecting the Windows accent color, improved app search functionality, upgraded Voice Access with Voice Isolation, better Windows Update settings, and the ability to set a threshold for energy saver activation. Additionally, Microsoft has addressed 398 Common Vulnerabilities and Exposures (CVEs) this month, with 62 classified as ‘Critical’ and one ‘Important’ flaw currently being exploited by attackers.
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