Oct 30, 2025 · VSTO Add-ins consist of an assembly that is associated with a Microsoft Office application. Typically, the VSTO Add-in runs when the associated application is started, although …

VSTO supersedes developer editions of Office 2000 and Office XP for Office development. The developer editions of Office have been discontinued after Office XP and VSTO is available for Office …

Feb 20, 2025 · VSTO stands for Visual Studio Tools for Office. In simple terms, a VSTO add-in is a custom application built by a developer that runs inside Excel. Think of a standard Excel macro, but …

Apr 9, 2025 · Wondering whether to use Office Add-ins or VSTO Add-ins? This 2025 developer guide compares features, pros, cons, and use cases to help you choose the right add-in architecture for …

Visual Studio provides VSTO Add-in project templates for most applications in Office. For more information about how to create a VSTO Add-in project, see How to: Create Office projects in Visual …

Apr 1, 2025 · **Visual Studio Tools for Office (VSTO)** is a set of development tools that allow developers to build applications or add-ins for Microsoft Office products like Excel, Word, …

VSTO.org focuses on providing cutting-edge software education and tools for developers and learners. Our mission is to empower individuals with practical skills and knowledge to thrive in the tech world …

Based on Microsoft's .NET environment, VSTO is used to create Office "add-ins" that perform functions such as automatically filling in fields in a Word or Excel document and emailing the files or...

Sep 10, 2024 · VSTO allows you to build Add-ins using .NET languages like C# or VB.NET, providing a more robust and scalable way to extend Excel’s functionality compared to VBA.

Oct 30, 2025 · You can use VSTO Add-ins to automate Microsoft Office applications, extend features of the application, and customize the user interface (UI) of the application.