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....Open NuGet package manager, search for and install. You may also... HTML, ODS, CSV, SVG, JSON, WORD, PPT and more, thus making it...