How I ordered asset delivery when each channel requested a different format

I work with a small creative team that delivers pieces for web, social, email, and ads. Recently, I had to solve a specific case: the final assets arrived mixed up and the media buyer requested last-minute cuts. The symptom that made me investigate it seriously was that there were PNG, JPG, MP4, and captions in folders without a convention. I preferred not to improvise, because a quick fix can…