We have always complied with the simple rule that a project built on a prior version of Add-in Express must be 100% compatible with the next version of Add-in Express. You are not limited in your choice of Visual Studio versions (2012- 2022) or editions (Professional, Premium, Ultimate etc.) when developing with Add-in Express. Version neutrality for Office extensions, from 2000 to 2021ġ00% compatibility from version to version.How Microsoft Office abuses its developers and how Add-in Express stops this.This makes it easy for you to create one Visual Studio project that supports all versions (2000 through 2021) and editions (Student, Home, Professional etc.) of Microsoft Office and target multiple applications in the Microsoft Office suite (Outlook, Word, Excel, PowerPoint and other apps.) NET framework, COM interoperability and low-level Windows API. One project for all Office versions and applicationsĪdd-in Express has an optimized version-neutral core that is written in C# and is based on the. Hard to believe? Just read real stories from real developers. Add-in Express makes deploying your applications a one-click operation and removes the headache of manually creating deployment scenarios and working with the Windows registry. You no longer need to worry about implementing extensibility COM interfaces or hand coding your Office add-in UI using XML.

Create world-class Office extensionsĪdd-in Express provides you with a range of visual designers, components, Visual Studio item and project templates and deployment tools that make creating quality Microsoft Office extensions easy and fun. It works with all editions of Visual Studio, including Express, and all versions of Microsoft Office from 2000 to Office 2021/365. NET is your all-in-one framework for developing commercial class Microsoft Office extensions such as Office COM Add-in, Outlook plugin, Excel XLL, UDF, RTD Server and smart tag.

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