My journey of Office Outlook plug-in development (1)

My journey of Office Outlook plug-in development (1) Purpose Develop a plug-in that can synchronize Outlook email address book information. Plan VSTO add-in COM add-ins The VSTO add-in supports Outlook starting from the 2010 version. VSTO 4.0 supports Outlook 2010 and later versions, so you can write the code once and run it on different versions. COM add-ins are very dependent on the .NET Framework framework and Office version, as you will understand when I talk about it later. VSTO add-in VSTO, the full name is Visual Studio Tools for Office, conducts professional development of Office in Microsoft’s Visual Studio platform. VSTO is a replacement for VBA. Using this toolkit makes it easier to develop Office applications. VSTO can also use many functions in the Visual Studio development environment. VSTO relies on the .NET Framework and cannot run on .net core or .net 5+ platforms. Create VSTO program Use Visual Studio 2013 to create a new project. If you use a newer version, you will most likely not find it. Because it was removed. For example, the minimum Outlook 2013 add-in created by Visual Studio 2019 Office/SharePoint -> .Net Framework 4 -> Outlook 2010 Add-in Afterwards we will get a…