dd-in Express Ltd. is a privately held company located in Homel, Belarus. Established in 1998, Add-in Express is the pioneer of tools and solutions in the Microsoft Office integration industry. If you need to customize applications the Office suite with COM add-ins, smart tags, RTD servers, Excel automation add-ins and XLL add-ins, you are welcome to use our products written for .net and VCL (Delphi). We also offer a component that allows deep customization of Internet Explorer.-dd-in Express Ltd. is a privately held company located in Homel, Belarus. Established in 1998, Add-in Express is the pioneer of tools and solutions in the Microsoft Office integration industry. If you need to customize applications　the Office suite with COM add-ins, smart tags, RTD servers, Excel automation add-ins and XLL add-ins, you are welcome to use our products written for .net and VCL (Delphi). We also offer a component that allows deep customization of Internet Explorer.