.ADDIN File Extension

What is a .ADDIN file?

.ADDIN is a Developer Files extension of a XML format developed by Microsoft. You can launch .ADDIN files on Windows.

How to make a .ADDIN file?

To create .ADDIN files, you have to use Microsoft Visual Studio 2017 or any other program indicated below. You can download programs for Windows from official stores. You can also get .ADDIN file editor from its official web page. To learn more about .ADDIN file opener and its alternatives, visit the program official web page.

How to open .ADDIN files?

To launch .ADDIN file on your platform, use .ADDIN file opener by Microsoft or another soft listed below. Once you download and install the .ADDIN file reader, you will be able to open all .ADDIN documents.