Currently, PPTX files that are protected by Azure Rights Management (RMS) cannot be opened by the library (as of version 0.6.23). Attempting to open such a file throws pptx.exc.PackageNotFoundError: ...

usage: Translates pptx files from source language to target language using Amazon Translate service [-h] [--terminology TERMINOLOGY] source_language_code target_language_code input_file_path ...