OS-dependent modifier. Command on Mac, Ctrl on Windows, the same convention as other Microsoft 365 web apps.
Core note-taking shortcuts. Creating new pages, basic text formatting, and navigating between pages and sections within a notebook all work in the web version. These are the most consistent shortcuts across all OneNote platforms.
Tag limitations. The full tag shortcut system (Ctrl+1 through Ctrl+9 on Windows) is not fully replicated in the web version. Basic tag application may be available, but the complete tag shortcut set is a Windows desktop feature. The table above covers what is supported in the web version.
Feature scope. Quick note capture (opening a new note from anywhere on the desktop) is a Windows desktop feature and is not available in the browser. The web version is primarily for editing existing notebooks and creating new pages, not for system-level capture shortcuts.
Browser shortcut conflicts. As with other browser-based apps, some key combinations are captured by the browser rather than OneNote. Common examples include Ctrl+W / Cmd+W (closes the browser tab) and Ctrl+T / Cmd+T (opens a new tab). The table above notes where conflicts apply.