Java REST API & Cloud SDK To apply eSignatures To your cloud documents & files. Create, cusTomize & add image, text, digital, stamp, barcode & other signatures....Writer®: ODT, OTT Microsoft Excel®: XLS, XLSB, XLSM, XLSX, XLT, XLTM...XLTM, XLTX OpenOffice Calc®: ODS Microsoft PowerPoint®: POT, POTM...