Numerous tools, methods, and approaches are at hand. In no particular order, a select list might include (i) storytelling (see a related article at https://www.researchgate.net/publication/266478324_Storytelling); (ii) exit interviews (see a related article at https://www.researchgate.net/publication/238600578_Conducting_Exit_Interviews); (iii) communities of practice (see a related article at https://www.researchgate.net/publication/254583096_Building_Communities_of_Practice); (iv) knowledge harvesting (see a related article at https://www.researchgate.net/publication/254582903_Harvesting_Knowledge); (v) learning histories (see a related article at https://www.researchgate.net/publication/241801658_Learning_Histories); and (vi) action learning (see a related article at https://www.researchgate.net/publication/266477208_Action_Learning).
A most important question. Universities are a major societal investment in knowledge creation, adoption/adaptation and ultimately application for value creation. The process of knowledge transfer and codification represent critical components.
Take a look at these papers on building out the knowledge society