Use this page of the Options dialog box to define security settings for add-ins. You can access the Options dialog box by selecting Options from the Tools menu and then selecting the Add-in/Macros Security page in the Environment folder.
Administrators can prevent users from changing these settings. For more information about security for add-ins, see Add-In Security.
You must restart Visual Studio for any changes made to these options to take effect.
Allow Add-in components to load
When selected, add-ins are allowed to load and run automatically each time the IDE starts.
Allow Add-in components to load from a URL
When selected, remote add-ins can be loaded into Visual Studio using a URL.
Add-in File Paths
A list of pre-defined common paths that allows you to specify the folders in which Visual Studio uses to look for XML-based add-in definition files (.addin). For details about the various predefined paths, see Add-In Security. For further details on how add-in definition files work, see Add-In Registration.