Merge XLTM To POWERPOINT Online for Free. Free Online XLTM To POWERPOINT Merger. Merge XLTM To Word, Excel, PPTX, PDF, JPG, HTML, ODS, SVG, XPS and more.... HTML, ODS, CSV, SVG, JSON, WORD, PPT and more, thus making it...Merge Output format DOCX PDF MD HTML TXT MHTML ODT OTT XPS PNG...