.ADDIN File Extension

What is a .ADDIN file?

.ADDIN is a Developer Files extension of a XML format made by Microsoft. You can work with .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 software from the list below. Programs for Windows can be downloaded 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 site.

How to open .ADDIN files?

You must have one of the programs that can open .ADDIN files. Once you download and install the .ADDIN file opener, you will be able to open all .ADDIN documents.