.ADDIN File Extension

Visual Studio Add-in Definition File

Developer Microsoft
3.0  |  4 Votes

What is an ADDIN file?

Add-in definition file created by Microsoft Visual Studio, a Windows software development IDE; generated automatically when a new add-in project is created using the Add-In Wizard; contains data used to display the add-in information when using Visual Studio's Add-In Manager component.

More Information

ADDIN files are required in order to register new add-ins in the Add-In Manager. They are typically saved in the folder that was created for the add-in project. ADDIN files are saved using XML formatting.

Open over 400 file formats with File Viewer Plus.Free Download

Programs that open or reference ADDIN files

Verified by FileInfo.com

The FileInfo.com team has independently researched the Visual Studio Add-in Definition file format and Windows apps listed on this page. Our goal is 100% accuracy and we only publish information about file types that we have verified.

If you would like to suggest any additions or updates to this page, please let us know.