File attachments

Files uploaded through your form are stored securely and linked to the submission. They are not attached to the notification email itself, which keeps emails small, avoids attachment size limits and stops files being forwarded around by accident.

In your notification email

Each file field lists the file name and size with a link. The link is secure:

• It opens only for the signed-in owner of the form. Anyone else is asked to log in.
• It creates a fresh download link that works for 5 minutes, so links can’t be shared and reused.
• Images, PDFs and plain text open in the browser; other types (including SVG) download.
• A link can’t be edited to reach another form’s files.

In the dashboard

Open the submission in Submissions to see and open its files.

In webhooks and integrations

File fields are sent as objects with the file’s details. A field with multiple sends a list.

"resume": {
  "id": "file_9c1e…",
  "key": "uploads/…/jane-smith-cv.pdf",
  "name": "jane-smith-cv.pdf",
  "size": 248133,
  "type": "application/pdf"
}

Limits

Set up uploads in File uploads and customise the uploader in Advanced file uploader.