Supported file formats
MarginNote3 supports importing files including ePub, PDF (including existing annotations in other note applications), videos including MP4, m4v, MOV, Webpage and notes in Evernote, MindManager (. MMAP) files.
PPt, Doc, docx, TXT, Mobi and other formats should be converted to PDF or ePub format before importing.
Picture format should also be converted into PDF format for importing.