REST APIs and Free Apps for documents & images conversion on .NET device. Convert between PDF, Microsoft Word, Excel, OpenDocument Spreadsheet Template, Excel Open XML Macro-Enabled Spreadsheet, PPTX, Project, HTML, email and images using our Free Apps....NET Convert OTS to XLSM Convert OTS to XLSM via Free App...OpenDocument Spreadsheet Template (OTS) & Excel Open XML Macro-Enabled...