You can usually expect .jpeg or .png photos, while some may send video files. If you don’t want to have to navigate unfamiliar file types or download special software to open a file, you could ask a Tasker to use a more common file type for your project (e.g. .jpeg for photos, .mp4 for videos). If you intend to use your renders to help with sales presentations, let the Tasker know, so they can adjust if necessary.