OsfWebHost
OsfWebHost is a system component bundled with Microsoft Office for Mac that hosts web-based functionality within Office applications. This helper service enables features like document collaboration, online content integration, and web-based task panes within Word, Excel, PowerPoint, and Outlook. It runs in the background to support modern cloud-connected features in Microsoft Office applications.
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1 suggestionOsfWebHost is not a standalone application — it is a helper component bundled inside Microsoft Office for Mac. You cannot update it separately. To ensure you have the native Apple Silicon version of OsfWebHost, update Microsoft Office itself to the latest version using Microsoft AutoUpdate (open any Office app, go to Help → Check for Updates) or download the current Office installer from microsoft.com. Microsoft has shipped native Apple Silicon builds of Office since 2020, and keeping Office current will automatically update all bundled components including OsfWebHost. If you are still running an older Intel-only version of Office under Rosetta, updating to the latest build will give you the native component and noticeable performance improvements.
Native version · Reported by in the community.
Sighting data is community-sourced — version availability and pricing should be verified with the developer.
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