Create Office plug-ins in Delphi for
Outlook, Excel, Word, PowerPoint, etc.

Add-in Express™
for Microsoft® Office and Delphi® VCL

Add-in Express for Office and VCL at first hand


  • Delphi XE2 - Delphi 12 Athens


  • Excel 2000 - 2021
  • Outlook 2000 - 2021
  • Word 2000 - 2021
  • PowerPoint 2000 - 2021
  • Access 2000 - 2021
  • Project 2000 - 2021
  • Publisher 2003 - 2021
  • Visio 2002 - 2021
  • OneNote 2010 - 2016
  • InfoPath 2007 - 2013
  • MapPoint 2002 - 2013
  • FrontPage 2000 - 2003

Add-in Express for Office and Delphi VCL is the first visual tool for writing a COM add-in, smart tag and RTD server in Delphi. It completely supports these technologies and makes them very comfortable for programming extensions for all available Office versions across 2000 through 2021 as well as Microsoft 365.

Screenshots gallery

Visual designers: you write functional code only

Add-in Express for Office and Delphi is entirely based on the Rapid Application Development approach and empowers you to develop professional plugins for Microsoft Office with a couple of clicks. The programming model and run-time code of Add-in Express are based on Delphi VCL, and they make your add-ins, smart tags, Microsoft Excel RTD servers and user-defined functions commercial class and feature-rich.

Add-in Express generates COM-based projects that contain all necessary functionality for Microsoft Office add-ins or smart tags and centralize all technology-specific components through visual designers and RAD modules. More about Office Ribbon designer.

Add-in Express works with all versions of Delphi and target all main applications in the Microsoft Office suite including Outlook, Word, Excel, PowerPoint etc.

Add-in Express for Office and Delphi - features and benefits

Microsoft Office extensibility

Based on the Microsoft Office extensibility, Add-in Express provides you with a component set for creating any types of Microsoft Office plug-ins. It wraps all necessary technologies to interact with all Microsoft Office applications: Microsoft Outlook, Microsoft Excel, Microsoft Word, Microsoft Visio, Microsoft Project, Microsoft InfoPath, etc. Learn more...

Version-neutrality - from Microsoft Office 2000 to 2021

Due to its version-neutral core, Add-in Express for Delphi transparently supports all available Microsoft Office versions, from Microsoft Office 2000 to Microsoft Office 2021, and works with the same perfection on all Microsoft Office editions, from Student to Ultimate. Learn more...

The best platform for Microsoft Office development

The bundle of Delphi and Add-in Express gives you the best platform for Microsoft Office development. Delphi produces Win32 and Win64 code that makes your add-ins compact, fast and easily deployable; Add-in Express offers you a powerful tool for Microsoft Office customization. Learn more...

Office 2021 fully supported

Add-in Express implements all features introduced in Microsoft Office 2010 and supported in later versions such as Office Ribbon UI, task panes, contextual tabs, shared ribbons, Office Menu, Quick Access Toolbar, Backstage View etc. Learn more...

Visual designers

Forget about routine coding and use visual designers to customize Microsoft Office menus, toolbars, ribbon tabs, task panes, forms, windows, regions, etc. And sure make use of special components when accessing Microsoft Office objects and handling its events. Learn more...

Microsoft Excel Task Panes, RTD and UDF

Add-in Express supports Microsoft Excel RTD servers and Microsoft Excel Automation plug-ins. The former enable you to connect Microsoft Excel with real-time data sources, the latter allow you to develop new worksheet functions. Finally, you get task panes for all Microsoft Excel versions. Learn more...

Microsoft Outlook-targeted features

For Microsoft Outlook add-ins, Add-in Express not only implements basic technologies but also supplies your Microsoft Outlook plug-ins with new unique features including Advanced Form and View Regions, Microsoft Outlook-context sensitivity, application-level keyboard shortcuts and more. Learn more...

True RAD - you write applied code only

Add-in Express for Delphi is completely based on the Rapid Application Development (True RAD) paradigm and allows you to reduce the time you used to spend on COM add-in, smart tag and RTD server development at least by half. Learn more...

Our customer says

It's one of the best Delphi component investments we've ever made

Richard Stevens, BOE Information Systems Ltd.

More success stories...