The digitization of work processes is changing the way people learn. It requires a continuous learning process, which employees often cannot keep up with during work. At the same time, co-creation systems offer the possibility to support employees in work-process-integrated learning in a targeted manner. However, in addition to the necessary adaptation of the systems to the respective work situation of the employees, there is also a lack of adaptive learning material that can be consumed situationally during work. This dissertation uses a action design-science-research approach to generate design knowledge that can support the development of such learning systems. The dissertation demonstrates how co-creation systems can be adapted to the different contexts of learners. Furthermore, it shows how corresponding microlearnings can be designed so that employees can be supported in their learning process in a targeted manner. As such, the dissertation supports designers as well as learners to design better learning systems.