If your downloaded file is not opening, try these steps:

1. Check File Format – Identify if it's a PDF, EPUB, DOC, or other format and use a compatible reader like Adobe Reader (PDF) or Calibre (EPUB) .
2. Try Another Device/App – Open the file on a different device or app to see if it works.
3. Redownload the File – The file may be corrupt , so try downloading it again.
4. Update Software – Ensure your reader app is updated for compatibility.
5. Convert the File – Use an online converter if the format is unsupported.