Microsoft.Mashup.Container

com.microsoft.Microsoft-Mashup-Container · Developer Tools · v2.86.5995.1

Intel Only 7 devices · 141.9 MB · Impact: 55/100

About This App

Microsoft.Mashup.Container is a helper component that serves as the query engine and runtime environment for Power Query in Microsoft Excel. It executes data-transformation queries, handles connections to external data sources (databases, web services, cloud APIs), and manages the mashup (data-blending) workflow that lets users combine data from multiple sources. It is a critical backend service for Power Query and is not a standalone application — it exists to support Excel's data-transformation features.

Versions Seen 5 versions

v2.86.5995.1 v2.85.5966.3 v2.78.5752.2 v2.73.5560.1 v2.71.5547.1

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https://www.microsoft.com/en-us/microsoft-365/excel

Microsoft.Mashup.Container is a helper component, not a standalone app, and it is bundled inside Microsoft Excel. You do not update it separately. If your copy of Excel is running natively on Apple Silicon, this component will run natively too. If you are still running an Intel-only copy of Excel under Rosetta, update Excel to the latest version — Microsoft ships a native Apple Silicon build for all recent releases. The simplest path is to open Excel, go to Help → Check for Updates and let Microsoft AutoUpdate install the current native build. Alternatively, download the latest Office installer from Microsoft or update through the Mac App Store if Excel came from that channel. Once Excel is updated to a native build, all its bundled components including Microsoft.Mashup.Container will run natively and continue to work when Apple removes Rosetta 2 in macOS 28 (September 2028).