Here's why:
* Proprietary Software: Film studios often use a combination of proprietary software and customized tools developed in-house. This information isn't usually publicly available.
* Evolution of Software: Editing software constantly evolves. A program used in the early Harry Potter films may not have been the same one used in later installments.
* Multiple Editors: Multiple editors likely worked on each film, potentially using different software depending on their preferences and the specific tasks involved.
However, here are some popular editing software options that are likely candidates:
* Avid Media Composer: A widely used industry-standard professional editing software.
* Final Cut Pro: Another popular professional editing program known for its user-friendliness.
* Adobe Premiere Pro: A powerful editing software with extensive features.
* DaVinci Resolve: A versatile tool used for editing, color grading, and visual effects.
While we can't know for sure, it's safe to assume the Harry Potter films utilized one or a combination of these industry-leading editing programs.