Collect External Vendor & Client File Uploads in Power Automate — Zero Guest Licenses
Microsoft Forms blocks anonymous/external respondents from uploading files ("Anyone can respond" disables the File Upload question). Instead of provisioning risky Entra B2B Guest accounts or paying for Power Pages capacity, generate secure one-time /r/:token Intake Portals straight from Power Automate!
- Solve the #1 Microsoft Forms roadblock: external customers, candidates, and suppliers can upload PDFs, XLSX, DOCX, PNG, and XML files with zero Microsoft login!
- Every uploaded file receives an automatic cryptographic SHA-256 integrity checksum and optional webhook push directly into your Power Automate flow.
- Links auto-expire after submission or TTL (1–336 hours) and are immune to email security link-scanner pre-fetching.
Side-by-Side Capability & Licensing Matrix: Zetaleap vs. Microsoft Forms + Guest Workarounds
| Capability / Licensing Dimension | Zetaleap Cloud APIs | Microsoft Forms + Guest Workarounds |
|---|---|---|
| External / Anonymous File Uploads Allowed | ✓Yes — up to 5 files with SHA-256 checksums | Blocked in MS Forms ("Only people in my org") |
| Entra ID B2B Guest Account Required | ✓Zero guest accounts or SharePoint external sharing needed | Required if sharing OneDrive/SharePoint folders |
| One-Time Submission Lock & Auto-Expiry TTL | ✓Automatic lock on submit + configurable 1–336h TTL | Static form URL stays open indefinitely |
| Multilingual External Respondent UI | ✓Built-in EN · DE · TR language bar | Manual duplicate translations |
| Custom Corporate Logo & Accent Color | ✓Included on $10/mo Unlimited Plan | Limited or requires Power Pages capacity |
3-Step Migration Blueprint (<5 Minutes in Power Automate)
1. Trigger POST /api/hub/intake-create in Power Automate
Define custom form fields (text, email, date, dropdown, textarea), max file count (1–5), and expiration hours.
2. Email the Unique /r/:token Portal Link to External Vendor
Vendor opens the clean mobile-ready portal in EN, DE, or TR, fills structured fields, and drags in supporting documents.
3. Save Verified Files Directly to SharePoint / Dataverse
Zetaleap fires your Power Automate webhook (or poll GET /api/hub/intake/:token) with structured JSON + Base64 files ready for SharePoint Create file.
Calculate Your Exact Annual Power Platform Connector Savings
Adjust your monthly Power Automate volume below to compare typical multi-vendor connector subscriptions (PDF/Office credits + per-envelope E-Sign + external file portals + per-mailbox signatures) against Zetaleap.
Frequently Asked Questions
Why does Microsoft Forms grey out the "Upload File" button for external users?
Microsoft Forms stores uploaded files inside the form creator’s personal OneDrive/SharePoint folder, which enforces internal tenant authentication. Zetaleap Intake Portals (/r/:token) decouple external collection from internal SharePoint permissions and deliver verified files cleanly to your Power Automate flow.