Vsto 2010 Runtime !new!
While named "2010," this runtime is required for Office solutions built using Visual Studio 2010, 2012, 2013, 2015, and newer.
Supports solutions built in Visual Studio 2010 through 2015 and later. vsto 2010 runtime
The runtime consists of two primary distinct components: While named "2010," this runtime is required for
The VSTO 2010 Runtime served as a stable bridge between .NET managed code and Office applications for nearly a decade. While still functional with Office 2013 and 2016, it is a legacy technology. Organizations should plan to either upgrade to VSTO 2015 runtime (for .NET 4.x support) or transition to the modern Office Add-in model. For maintenance of existing solutions, understanding its deployment, security, and troubleshooting patterns is essential. While still functional with Office 2013 and 2016,
The runtime consists of:
VSTO 2010 uses a COM Shim (generated by the runtime) to act as a proxy between the unmanaged Office application and managed .NET code. This prevents version conflicts and allows multiple add-ins to coexist.
