Java REST API & SDK to works with various types of cloud document annotations, such as, area, distance, ellipse, image, link, point, watermarking & redaction....RTF, TXT OpenOffice Writer®: ODT, OTT Microsoft Excel®: XLS, XLSX...DOCX DOCM DOT DOTX DOTM RTF TXT ODT OTT XLS XLSX XLSB PPT PPTX PPSX...