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Non-technical summaryThis paper focuses on the relationship between firm-provided IT training and the firm's proportion of older workers. In Germany, the relative labor supply of people over fifty is increasing due to the shift in demographics. At the same time, the ongoing technological change is often supposed to be age-biased, thereby leading to a decreasing demand for older workers. Thus, labor supply and labor demand developments with regard to older workers are moving in opposite directions. Providing older workers with IT training could be an appropriate means of increasing their IT skills and thereby enhancing their productivity and employability.The empirical study is based on data of more than 1,000 firms belonging to the German manufacturing sector and selected services sectors, taken from the , the results show that a firm's IT intensity plays a crucial role: firms intensively using information technologies employ a significantly smaller proportion of older workers than firms that are less IT-intensive. However, higher participation rates of older workers in IT training are related to a larger proportion of older workers within firms. It turns out that this effect is of particular importance in firms that intensively use IT.