Microsoft Visual Studio 2010 Tools For Office Runtime -x64-
$dotnet45 = Get-ChildItem 'HKLM:\SOFTWARE\Microsoft\NET Framework Setup\NDP\v4\Full' -ErrorAction SilentlyContinue if ($dotnet45) $dotnetVersion = (Get-ItemProperty -Path $dotnet45.PSPath -Name Release).Release if ($dotnetVersion -ge 378389) Write-Host ".NET Framework 4.5+ detected - Good for VSTO." -ForegroundColor Green else Write-Host ".NET Framework 4.0 detected – compatibility limited." -ForegroundColor Yellow
Despite having "2010" in its name, this runtime is not obsolete. Microsoft has continuously updated it. It supports solutions running on Microsoft Office 2010, 2013, 2016, 2019, 2021, and the desktop versions of Microsoft 365. Common Use Cases
When we append to the runtime name, we are referring to the 64-bit native loader and shim. Here is the non-negotiable rule:
| Scenario | Action | | :--- | :--- | | You have | Install VSTO 2010 Runtime (x64) . | | You develop VSTO add-ins | Include the x64 runtime as a prerequisite in your setup project. | | You have both Office 32-bit and 64-bit in your org | Deploy both x86 and x64 runtimes conditionally based on Office bitness. | microsoft visual studio 2010 tools for office runtime -x64-
The is a essential software component required to run Microsoft Office-based solutions (like Excel or Word add-ins) built using Visual Studio 2010 and newer versions. 1. Purpose and Architecture
Performs security checks to ensure solution assemblies have the necessary permissions to run Microsoft Learn Productivity:
The Visual Studio Tools for Office runtime is a set of native and managed libraries that act as a bridge between the .NET Framework (CLR) and the COM-based object models of Microsoft Office applications. Before VSTO, developers wrote add-ins using C++ or VB6. VSTO democratized Office development by allowing C# and VB.NET developers to build robust, secure, and maintainable solutions. Common Use Cases When we append to the
In essence, without this runtime, any Office solution built with Visual Studio 2010 (or later, but using the VSTO 2010 runtime) will simply not execute.
Most end-users encounter the VSTO Runtime during the installation of third-party enterprise software.
Open regedit and navigate to:
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.
Before installing the VSTO Runtime, ensure your system meets these official Microsoft requirements Operating System: