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

The VSTO Runtime is a bridge between the Microsoft .NET Framework and the Microsoft Office suite.

The runtime checks deployment manifests and uses ClickOnce technology or Windows Installer packages to verify digital signatures. This ensures that malicious add-ins are blocked from altering your enterprise document ecosystems. 3. Managed Assemblies microsoft visual studio 2010 tools for office runtime -x64-

Which (e.g., Office 2019, Microsoft 365) are you using? What add-in or program is requesting the runtime? The VSTO Runtime is a bridge between the Microsoft

A set of managed assemblies that provide the infrastructure for add-ins. A set of managed assemblies that provide the

For IT admins, the redistributable ( vstor_redist.exe ) can be installed silently using the /q /norestart switches. Common Troubleshooting

The host environment requires 64-bit framework support.

Navigate to the Office application's File > Options > Add-ins . Check the Disabled Items list. If present, select the add-in and click Enable . Environment Variable Debugging