Include your browser, operating system, approximate file-size bucket, and the error shown on screen. Do not attach confidential PDFs, passwords, document text, or personal identity records.
Before reporting a file problem
- Confirm the file is a PDF smaller than 200 MB.
- Check whether it is password-protected.
- Try opening it in another trusted PDF viewer.
- For large documents, close other memory-heavy tabs.
Response scope
We can explain supported workflows and investigate reproducible product defects. We cannot recover damaged documents, unlock protected files, interpret confidential content, or provide legal advice about document handling.