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While virtual reality (VR) is increasingly used across health-related domains to improve cognitive abilities, mental health, and motor function, the mechanisms underlying the transfer of skills learned in VR to real-world performance (the ultimate objective of health interventions) remain largely unknown. This study investigated the effectiveness of VR training in transferring spatial and visual memory skills to real-world performance using an everyday task consisting on navigating and locating items in a grocery-store aisle, a complex instrumental activity of daily living. Forty-seven healthy adults were randomly assigned to train either in a virtual replica of the aisle or directly in the physical setting. Participants trained in VR subsequently demonstrated significantly improved real-world task performance, exhibiting shorter task completion times and reduced travel distances compared to those performing the task for the first time. However, while skill transfer from VR to real-world tasks was confirmed, performance improvements in task completion time were superior following direct real-world training, consistent with the principle of encoding specificity. Consequently, although the results provide robust evidence supporting VR as a valuable training tool for improving skills relevant to daily activities and indicate the utility of VR as a preparatory training stage, precise context-dependent tasks might necessitate direct physical practice for maximum efficacy.