Field Blocks Guide
File Upload Field

The File Upload field lets respondents attach a document or image to their submission — resumes, photos, supporting PDFs, and more. Each file can be up to 10 MB, and uploads count toward your plan's media storage (Basic 30 MB, Plus 200 MB, Pro 1 GB).
Add a File Upload field
- Open your Lumo in the editor and select the stage where you want the upload.
- From Field Blocks, add File Upload.
- Set the question label, optional description, and whether the field is required.
- Save and publish when ready.
What respondents can upload
- Images: JPEG, PNG, GIF, WebP
- Documents: PDF, Word (DOC/DOCX), Excel (XLS/XLSX), TXT, CSV
- Archives: ZIP (stored as a single file; max 10 MB)
Unsafe or mismatched file types are rejected by the server.
Where files appear
- Open Submissions for the project and open a response — file fields show a download link.
- Uploaded files are stored in your account storage but are not listed in the Media Library gallery (they stay attached to submissions).
Need more storage? Upgrade your plan from Account → Upgrade. Related: Managing Your Media Library and Storage.