Allowed formats: Images (jpg, png, gif), Videos (mp4, 3gp, mov), Audio (mp3, aac, ogg, wav, m4a, opus), Documents (pdf, doc, docx, xls, xlsx, ppt, pptx, txt, csv, json), Archives (zip, rar), Other (apk, vcf) | Max size: 2GB per file | Max 10 files per template