Visual Studio 2010 Tools For Office Runtime Hot!

Visual Studio Tools for Office runtime overview - Microsoft Learn

Microsoft strongly recommends migrating to or VSTO 2019 runtime (if desktop add-ins are required) for Office 2016+. visual studio 2010 tools for office runtime

It is easy to dismiss the as "legacy" technology in an era of Office Add-ins (JS/Typescript) and .NET Core. However, VSTO remains a critical piece of engineering history and is still the backbone of thousands of enterprise-grade line-of-business applications. Visual Studio Tools for Office runtime overview -

While most people think of add-ins (ribbon buttons appearing in every Excel file), VSTO 2010 perfected . While most people think of add-ins (ribbon buttons

The runtime redistributable can be included in a bootstrapper package or installed via SCCM/Group Policy.

The most fascinating aspect of VSTO is the plumbing. Before VSTO, developers had to use VBA (Visual Basic for Applications) or COM Add-ins, which were difficult to debug and often caused memory leaks.

The VSTO Runtime handles the complex "unmanaged-to-managed" transition seamlessly, allowing developers to write C# or VB.NET code that feels like it is native to the application.