Most users with giant movie or TV show libraries accumulated since when iTunes media purchases began are having problems loading content on Apple TV hardware — an issue that has persisted for years.

As time goes by, you acquire more and more music, movies, TV shows, podcasts, apps, and books. It’s probably becoming increasingly difficult—or, more likely, impossible—to fit your entire iTunes ...

In this week’s column, I answer just two questions, both of which require fairly long explanations. The first asks about consolidating iTunes libraries on two computers, and the second asks if a large ...