// Set license var pres = new Aspose.Slides.Pptx.PresentationEx(@"c:\temp\Input.pptx"); pres.Save(@"c:\temp\output.pptx", Aspose.Slides.Export.SaveFormat.Pptx);
Just opening and saving the presentation repositions all the text frames to 0,0 and at an angle.
I have observed the issue shared by you and like to share that the issue shared has been added in our issue tracking system with I’d SLIDESNET-33780 and have been resolved as well. The fix for it will be available in upcoming release of Aspose.Slides for . NET. We will notify you one the release will be made online.