Final answer:
To use the Microsoft Outlook Add-in, the Microsoft Outlook client and administrative permissions are needed for installation. Users must have the necessary permissions to use the add-in's features, which are usually managed by IT administrators. Additional software might be required for some add-ins that interface with other systems.
Step-by-step explanation:
To use the Microsoft Outlook Add-in, certain plugins and roles are necessary depending on the functionality you need. Commonly, you would need to have the Microsoft Outlook client installed and have administrative permissions to install add-ins. The role required for the installation typically belongs to IT administrators at an organizational level or to individual users with admin rights on their devices.
Once the Microsoft Outlook Add-in is installed, users must have the appropriate permissions to use the specific features offered by the add-in. These permissions are generally managed by IT administrators within your organization who assign user roles and access rights within the Microsoft Outlook environment.
Keep in mind that for certain add-ins, additional software components or services might be needed. For example, if the add-in is designed to interface with a CRM system or a project management tool, those services would need to be accessible and properly configured as well.