The runtime comprises two primary parts that work together seamlessly:
If you are looking to deploy or troubleshoot this component, let me know:
Whether you are an IT administrator dealing with legacy enterprise systems or a developer trying to ensure compatibility across your infrastructure, understanding how the x64 edition of this runtime operates is paramount. Why Do We Need the Runtime? microsoft visual studio 2010 tools for office runtime -x64-
While PIAs are architecture-agnostic (they are IL-only), the registry that resolves them is bitness-sensitive. Ensure your setup includes the (or later) redistributable for x64.
The Visual Studio Tools for Office (VSTO) runtime is a software component that allows managed code add-ins (created in C# or VB.NET) to run inside Microsoft Office applications (Excel, Word, Outlook, PowerPoint, etc.). It acts as a bridge between the .NET Framework and the Office COM interfaces. The runtime comprises two primary parts that work
Open your VSTO project properties → tab → Platform target :
Some older versions of the runtime may have expired digital certificates, causing Windows Defender to block installation. Always ensure you are using the latest supported version . Ensure your setup includes the (or later) redistributable
Specifically, the version of this runtime is not merely an afterthought; it is the execution engine that allows .NET-based add-ins, document-level customizations, and ribbon extensions to function seamlessly within 64-bit versions of Microsoft Office (2010, 2013, 2016, 2019, and Office 365).
The Visual Studio 2010 Tools for Office Runtime handles several critical operations behind the scenes:
Administrators can grab the standalone Visual Studio 2010 Tools for Office Runtime Installer from the official Microsoft Download Center. Run the executable file named vstor_redist.exe with administrative rights.