Fully integrated Visual Studio Tools for Office technologies enable developers to build Office Business Applications and scalable enterprise grade solutions based on Microsoft Office. A unified solutions platform for building Office Business Applications that make line-of-business systems, enterprise data and workflows accessible and relevant to users.
Microsoft Office is a development platform upon which developers can build scalable, robust Office Business Applications
VSTO is the key developer tool technology that enables the pro developer to create scalable, line-of-business solutions based on Microsoft Office
VSTO 3.0 provides a very rich set of features that build on an already strong product that enable developers to easily build and deploy customized Office Business Applications.
Tools Visual Studio Tools for Office … LOB Apps, data warehouse, trading partners, etc Office Business Applications Dynamics SAP Siebel LOB Dynamics Duet ISV OBAs Custom OBAs 2007 Office system clients Office SharePoint Server 2007 Microsoft Office System Content Management Unified Communication & Collaboration Business Intelligence Exchange Server 2007 Office Communications Server 2007 Search Workflow Business Data Catalog Website & Security Framework Excel Services Open XML File Formats & Extensible Fluent Interface