Microsoft Copilot Gets a Windows 11 Sidebar With Left and Right Docking

Copilot Returns to a Sidebar-Style Experience on Windows 11

Microsoft has redesigned Copilot for Windows 11 more than a couple of times, and its newest direction brings back an idea the company had already tried once before: keeping the AI assistant docked to the side of the screen.

The change gives Copilot a more persistent role on the desktop. Instead of opening only as a separate app window that sits alongside everything else, Copilot can now be pinned to the left or right edge of the screen. That makes it easier to keep the assistant available while working in other apps.

By default, Copilot still opens as a standalone app in its own separate window. But the latest interface adds a new dropdown menu in the title bar. When users hover over it, they see dedicated window snapping options built specifically for Copilot. These options let the assistant dock to either side of the display.

How the New Copilot Sidebar Works

Dedicated Docking Options for Copilot

At first glance, Copilot’s new snapping interface might seem similar to Windows 11’s native Snap Layouts. But it is not the same thing.

Copilot now has its own dedicated layout options. These are separate from the standard window snapping experience already built into Windows 11. That distinction matters because this is not just Copilot being treated like any other app window. It is being given a more specialized desktop behavior.

The result is a persistent sidebar. Once docked, Copilot stays pinned while users continue working. It is not a floating window that needs to be constantly moved, resized, or managed while switching between tasks.

A Less Intrusive Picture-in-Picture Option

Microsoft is also offering a picture-in-picture mode for users who want Copilot visible without giving it as much desktop space.

That option makes sense for people who may want the AI assistant nearby, but not locked into a full sidebar position. It gives Copilot another way to stay present on the screen while being less intrusive than a pinned left-side or right-side panel.

Windows 11 Automatically Adjusts Around Docked Copilot

When Copilot is docked, Windows 11 automatically adjusts the rest of the desktop around it.

The operating system resizes other content so the sidebar does not simply cover what is already on screen. Active apps are repositioned to fill the remaining available space. Even the desktop watermark shifts to the opposite side.

That behavior makes the sidebar feel more integrated with Windows 11 than a standard app window. Copilot is not merely sitting above the desktop. The system responds to its placement and reorganizes the workspace around it.

Why This Copilot Sidebar Feels Familiar

Microsoft Has Tried a Copilot Sidebar Before

This is not the first time Microsoft has positioned Copilot as a sidebar on Windows 11.

Copilot originally launched on Windows 11 as a sidebar that appeared alongside apps. The idea was to let users ask questions about content visible on the screen. It gave the assistant a contextual role, sitting near the work instead of being separated from it.

But Microsoft later moved away from that design. The sidebar approach was scrapped in favor of a standalone app. That standalone app was later changed into an Edge-based web wrapper.

The Earlier Sidebar Had a Key Limitation

The original implementation did not last, and one reason was the way it was built. The earlier sidebar was based entirely on web technologies, which created limits for the experience.

The new version takes a different approach by giving users more meaningful control over placement. The ability to dock Copilot on either the left or right side is a clear difference from the first sidebar design.

That control was missing from the original version. This time, Microsoft is not simply bringing back the same sidebar in the same form. It is revisiting the concept with more flexible docking behavior and tighter desktop integration.

Copilot’s Left and Right Docking Options

The biggest practical change is placement.

Users can dock Copilot to the left edge of the screen or the right edge of the screen. That may sound like a small detail, but it changes how the assistant can fit into different workflows.

Some users may prefer Copilot on the right side, especially if they are used to side panels living there. Others may prefer the left side depending on how their apps are arranged. The important part is that the new version does not force one fixed position.

This added flexibility makes the sidebar feel less like a rigid experiment and more like a feature designed to stay open during regular desktop use.

Copilot Vision and Automatic Docking Remain Unclear

One detail is still not immediately clear: whether Copilot Vision will automatically trigger docking when activated.

Copilot Vision is mentioned in connection with the new behavior, but there is no clear confirmation that turning it on will automatically dock the assistant. For now, the confirmed change is the new docking behavior itself, including left-side and right-side options.

The feature is rolling out gradually, so not every user may see it at the same time.

What the Copilot Sidebar Means for Windows 11 Users

The new Copilot sidebar changes how Microsoft’s AI assistant behaves on Windows 11.

Instead of being only a separate app window, Copilot can now become part of the desktop layout. It can remain visible while other apps stay open, and Windows 11 adjusts the workspace around it. That makes the assistant feel more anchored to the operating system rather than tucked away in its own window.

The design also shows Microsoft returning to an earlier idea, but with a more refined implementation. The first Copilot sidebar was eventually removed. This new version keeps the core concept — an AI assistant available alongside apps — while adding more control over where it appears and how it fits into the desktop.