Visual Studio Tools For Office Runtime -

The Visual Studio Tools for Office Runtime is a prerequisite runtime environment that allows managed code add-ins (e.g., C# or VB.NET) to run inside Microsoft Office applications like Excel, Word, Outlook, PowerPoint, and Project.

| Deployment Method | Runtime Requirement | Best For | |------------------|---------------------|-----------| | | Runtime must be pre-installed OR prompt user to install | Small teams, non‑managed environments | | Windows Installer (MSI) | Runtime can be installed as a prerequisite (via bootstrapper) | Enterprise, SCCM, full control over installation | Bootstrapper package for MSI In your setup project, include a prerequisite check for the VSTO runtime. Example bootstrapper manifest: visual studio tools for office runtime

Get-WmiObject -Class Win32_Product | Where-Object Name -like "*VSTO Runtime*" | Select IdentifyingNumber Caution: Removing the runtime will disable all VSTO add‑ins system‑wide. The Visual Studio Tools for Office Runtime is