{{< blocks/products/cells/cells-cloud-banner h1="Convert XLT to XLSB" h2="Ruby library for converting XLT to XLSB" p="Use the Conversion API of of Cells Cloud to create customized spreadsheet workf......convert XLT to XLSB and other document formats online using Ruby...describe 'cells_save_as_post_document_save_as test' do it "should...