I finished revised plan sheets but I still need to attach a scanned field sketch with site measurements the surveyor s…
Open your PDF in Adobe Acrobat.
Select Tools in the top menu.
Choose Protect or look for the attachment tool in the tools panel.
Click the paperclip icon or select the attachment tool from the secondary toolbar.
Click anywhere on the PDF page where you want the attachment icon to appear.
In the file dialog, browse to and select the file you want to embed, then click Open.
Choose an icon to represent the attachment and, optionally, enter a description.
Click OK to embed the file into the PDF.
Best practiceFor best compatibility, let recipients know that they may need to use Adobe Acrobat or Reader to extract embedded attachments, as some PDF viewers do not support this feature.
Save the PDF to retain the embedded attachment.
You can view and manage all embedded attachments by opening the Attachments pane in Acrobat.
This runs in the Acrobat app - there is no separate API for this task.
You should sanitize an attached file to protect sensitive information. When you attach a file, it becomes part of the PDF. If the attached file contains private data, anyone who receives the PDF can see it. Sanitizing removes this data, ensuring your privacy and security when sharing documents.
| Feature | What it does | Where the file lives |
|---|---|---|
| Add a Link | Creates a clickable area that opens another file or webpage. | The linked file/webpage stays separate, not inside the PDF. |
| Attach a File | Embeds another file directly into the PDF document. | The attached file becomes part of the PDF itself. |
Yes, attaching a large video file will significantly increase your PDF's file size. This is because the video data is stored directly inside the PDF. A larger PDF can be slower to open, send, and download. Consider linking to large files instead, or compressing the video before attaching it.