Microsoft Visual Studio 2010 Tools For Office Runtime -x64- Jun 2026

Installing the x64 VSTO runtime is straightforward, but certain conditions must be met for it to be successful:

Microsoft Visual Studio 2010 Tools for Office (VSTO) Runtime -x64- microsoft visual studio 2010 tools for office runtime -x64-

If these keys exist under the 64-bit hive (not under WOW6432Node ), the x64 version is correctly installed. Installing the x64 VSTO runtime is straightforward, but

If an Office add-in disappears or fails to load upon starting Word or Excel, the runtime may have disabled it due to an unhandled exception. Understanding Microsoft Visual Studio 2010 Tools for Office

: Unlike newer JavaScript-based web add-ins, solutions using this runtime have complete access to the Office object model and the local machine's file system, making it the "power user's" choice for deep integration.

Understanding Microsoft Visual Studio 2010 Tools for Office Runtime (x64)

The -x64- designation specifies that this installer is built for 64-bit operating systems running 64-bit editions of Microsoft Office.

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This research project has received funding from the EU's H2020 framework programme for research and innovation under grant agreements NFFA-Europe (n. 654360 from 1/9/2015 to 28/02/2021) and NFFA-Europe-Pilot (n. 101007417 from 1/03/2021 to 28/02/2027)
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