Tools For Office Runtime -x64- - Microsoft Visual Studio 2010

In many cases, the VSTO Runtime is installed automatically when you install Visual Studio or Microsoft Office. However, if you are a user trying to run a specific add-in and encounter an error, you may need to install it manually:

If you try to install the x86 VSTO runtime on a machine with 64-bit Office, your add-ins will fail to load, and you may see "is not a valid Office Add-in" errors. microsoft visual studio 2010 tools for office runtime -x64-

Assemblies used by newer solutions targeting .NET 4.0 and beyond. Technical Specifications and Requirements In many cases, the VSTO Runtime is installed

| 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 | In many cases