A: EM accepts all file formats, including video and audio files.
The following file formats are automatically converted into a single PDF for easy processing: Word, RTF, TXT, LaTeX2e, AMSTex, TIFF, GIF, JPEG, EPS, Postscript, PICT, PDF, Excel, and PowerPoint.
EM supports direct submission from the arXiv (arXiv.org) preprint database.
EM supports the upload of multiple files in a single ZIP file.
EM has supported automatic LaTeX conversion to PDF since 2002 – longer than any other peer review system.