- Verify the download options. Check the settings to make sure that PowerPoint is selected for the file type you intend to download. Maybe you hit a wrong key by mistake?
- Ensure you are using current programs. Make sure the browser or application you are using is up to date. Sometimes compatibility issues can occur with older versions of software.
- Download the file again. Try downloading the file after closing out all applications that might be running in the background.
- Check for malicious threats. Make sure your computer is not infected with a virus that might be causing issues with files. Run a quick security scan.