Presentation Upload your presentation or poster Your Name(Required) First Last I want to upload...(Required) Slides Poster Prerecorded presentation My presentation is available as a ...(Required) PowerPoint or PDF file Link to a Google Slides presentation Presentation file(Required)Accepted file types: pdf, ppt, pptx, Max. file size: 300 MB.Google Slides link(Required) Poster file(Required)Accepted file types: pdf, Max. file size: 300 MB.Prerecorded presentation(Required)Accepted file types: mp4, Max. file size: 300 MB.