If you want your audience and other to have access to your presentation materials, consider posting resources on a site such as the following
Upload slides, posters, and other documents for a public or private audience. Formats accepted include PowerPoint, PDF, and OpenDocument.
A free online digital repository where users can share, preserve, and access research products such as figures, data visualizations, media, datasets, and more.
Google Drive, a free cloud storage service connected to Google accounts, is a great way to host and share research presentation materials with a limited audience.