An On-Demand IT Service Desk is a type of IT service desk that provides support to users on an as-needed basis. In other words, instead of having a dedicated IT support team in-house, businesses can outsource their IT support needs to an external provider who will only provide support when it is requested by the user. With an On-Demand IT Service Desk, users can access support through various channels, such as phone, email, chat, or a self-service portal. This allows businesses to provide their employees with the support they need, without having to invest in expensive IT infrastructure or maintain a full-time IT staff. Overall, an On-Demand IT Service Desk can help businesses improve their IT support services while reducing costs and increasing flexibility.