Okdo PowerPoint Merger 2.9 screenshot Okdo PowerPoint Merger is an easy-to-use tool for combining multiple PowerPoint presentation files and create one master presentation in batches. It supports most of popular formats, e.g., *.PPT, *.PPTX, *.PPTM, *.PPS, *.PPSX, *.PPSM. Download Okdo PowerPoint Merger 2.9