To uninstall Attach2Dynamics from your Dynamics environment, follow the below steps:

1) Navigate to Settings --> Solution --> Select Attach2Dynamics solution.

2) Click on delete button. A pop-up will appear asking for your confirmation. Click on 'OK' and the solution will be uninstalled from your environment.

Note: If iframe is embedded to a form of any entity, it must be removed from the form before deleting the Attach2Dynamics solution.