1 GHz or faster processor, 512 MB RAM minimum, 30 MB free disk space How to Download and Install the VSTO x64 Runtime
Supports both broad add-ins that load with the application and specific customizations tied to individual documents.
You can download the latest redistributable package from the Microsoft Download Center Common Fixes: microsoft visual studio 2010 tools for office runtime -x64-
: It provides native support for ClickOnce deployment. This architecture enables corporate IT administrators to deploy automated updates to thousands of users simultaneously over an internal network or via a web URL.
: The Visual Studio 2010 Tools for Office Runtime page provides the vstor_redist.exe installer. 1 GHz or faster processor, 512 MB RAM
: Supports customizations for Office 2013, 2016, 2019, 2021, and Microsoft 365. Language Support
Historically, Office automation heavily relied on Visual Basic for Applications (VBA). While VBA remains widely accessible, it suffers from aging security mechanisms, a lack of deep object-oriented structures, and isolation from web services. VSTO replaced these limitations by allowing developers to access the full power of the .NET Framework, enabling advanced features like customized task panes, context-sensitive ribbon interfaces, and automated line-of-business workflows integrated right inside a standard spreadsheet or document. Understanding the Runtime Layer : The Visual Studio 2010 Tools for Office
When we append to the runtime name, we are referring to the 64-bit native loader and shim. Here is the non-negotiable rule: