While not a permanent fixture, the Snap Layouts panel and Snap Assist together create a transient but powerful side-based interface for arranging workspaces. Advanced users can use FancyZones (PowerToys) for a more permanent, customizable snapping sidebar.
This is a full vertical sidebar, about 400–500px wide, with a profile header, a search bar, a list of recent chats, and a "Meet" button to start a video call. It uses the same acrylic/Mica material and dark/light theme support. The sidebar can be detached into a standalone window, which is unique among these seven panels. 7 sidebar windows 11
Click the “Open in Teams” or detach icon (a pop-out arrow), and the sidebar becomes a floating, resizable window that can be placed anywhere, including permanently docked to the side of your screen. This effectively turns it into a true persistent sidebar for messaging. While not a permanent fixture, the Snap Layouts
Writers, coders, and designers love this as a semi-persistent side tool. You can keep the clipboard history open while dragging content from it into documents—true sidebar functionality. It uses the same acrylic/Mica material and dark/light
Though it lacks the vertical persistence of a traditional sidebar, its overlay nature and ability to stay open while multitasking make it a functional side utility panel. Power users often resize their taskbar or move it to the left to make the search panel feel more like a true sidebar.
The panel provides an immediate search experience across local files, apps, settings, and web results (via Bing). It also shows trending searches and personalized recommendations based on your usage. Unlike the old Start menu search in Windows 10, this one is more spacious and card-based.
The panel shows six to seven predefined layouts (e.g., two equal windows side-by-side, three columns, four quadrants, one large + two small side panels). The layouts adapt to your screen’s aspect ratio and resolution. It is essentially a pop-up sidebar of arrangement templates.