A supported version of (2013, 2016, 2019, 2021, or Office 365). 3. Installation and Deployment
| Component | Description | x64 Specific Path | |-----------|-------------|-------------------| | | Native shim that loads the .NET runtime into Office process | C:\Program Files\Microsoft Visual Studio 10.0\VSTO Runtime\x64 | | VSTO runtime components | Managed assemblies (Microsoft.VisualStudio.Tools.Applications.Runtime) | GAC (Global Assembly Cache) - 64-bit section | | Primary Interop Assemblies (PIAs) | Interop wrappers for Office applications (when installed with PIAs option) | C:\Program Files\Microsoft Visual Studio 10.0\Visual Studio Tools for Office\PIA\Office14 | | Registry entries for Add-in discovery | Keys under HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\VSTO Runtime Setup | 64-bit registry hive | | ClickOnce support manifests | For deployment of add-ins via network or web | %LocalAppData%\Microsoft\VSTO | microsoft visual studio 2010 tools for office runtime -x64-
Note: If you have a 32-bit version of Office on a 64-bit Windows, you would typically need the x86 version of the VSTO runtime. A supported version of (2013, 2016, 2019, 2021,
Are you looking to for a specific add-in, or are you troubleshooting an error during installation? Are you looking to for a specific add-in,
: Microsoft's VSTO Runtime Overview explains architecture, 32-bit vs. 64-bit differences, and installation scenarios.