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