Runtime ~repack~: Vsto 2010

Active; the runtime receives updates to maintain compatibility with newer Office versions.

It allows Office applications to host the .NET Framework Common Language Runtime (CLR), enabling extensions written in C# or Visual Basic.

To successfully install and use the VSTO 2010 Runtime, your system must meet these prerequisites: Requirement Windows 7 SP1, 8.1, 10, 11; Windows Server 2012–2019. Framework .NET Framework 3.5, 4.0, 4.5, or newer. Office Version Office 2013, 2016, 2019, 2021, or Microsoft 365. Architecture vsto 2010 runtime

Separate 32-bit and 64-bit versions must match your Office installation architecture. Installation and Deployment

Microsoft ended Extended Support for the VSTO 2010 Runtime on July 14, 2020 . Framework

<deployment install="true" mapFileExtensions="true" /> <application> <assemblyIdentity name="MyAddIn.dll" version="1.0.0.0" /> </application>

Supports solutions built in Visual Studio 2010 through 2015 and later. understanding its deployment

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.