This qualitative study explored how collaborative technologies influence the informal learning experiences of virtual team members. Inputs revealed as critical to virtual informal learning were integrated, collaborative technological systems; positive relationships and trust; and organizational support and virtual team management. These inputs foster the processes and events within which informal learning occurs. Processes include learning from and with others. Events include virtual mentoring, coaching, knowledge sharing, criticism, problem solving, document creation/editing, and planning. (Contains 1 figure and 1 table.)