Document Upload Errors

Getting Started

This article explains why a PDF document might fail to upload when sending certified mail on OnlineCertifiedMail.com, and what you can check or change to fix the issue.

In This Article

Common Upload Issues

When you try to upload a document and the system rejects it with an error, it’s usually because something about the PDF isn’t compatible with the upload requirements.

Here are some frequent issues:

  1. Security Restrictions
    • PDFs that are password-protected or have printing/viewing restrictions may fail to upload or be printable.
    • Such issues are common in government documents (e.g., IRS forms).
    • Try removing these restrictions via Adobe Acrobat (Document Properties), or ask the original document creator to remove them.
  2. Unembedded Content
    • If your file includes unembedded fonts, comment boxes, or fillable fields, it may not process correctly.
    • You can check for unembedded fonts in Adobe Acrobat's Document Properties.
    • Note: This tool might not display all problematic elements.
  3. Electronic Fields
    • PDFs containing interactive elements—like signature fields or date pickers—may not be accepted or printable.

Steps to Fix Document Upload Errors

If your PDF won’t upload, try the following:

  • Remove security restrictions (passwords or printing restrictions).
  • Embed fonts and remove comments or fillable elements.
  • Flatten the document—convert forms to static content.
  • Re-export the PDF using your authoring software or save it as a new PDF.

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