License & Subscription Issues

Fix Power Apps License Error for External Users Editing SharePoint Forms

Nimra Malik Oct 13, 2026 869 views

Question details

External users from a different Microsoft 365 tenant encounter a Power Apps license or trial error when attempting to edit a customized SharePoint form.

How to Fix Power Apps License Error for External Users Editing SharePoint Forms

Product: Microsoft Power Apps and SharePoint
Device & OS: not provided
Scenario: External guest users try to edit a SharePoint list item using a custom Power Apps form with standard connectors.
Observed behavior: Users receive an error stating 'You need a current plan or trial to use Power Apps' when trying to edit the form.

Before you start

Ensure you have global administrator or SharePoint administrator privileges in the host tenant to verify cross-tenant access settings and guest user permissions.

Solution 1Recommended

Review Cross-Tenant and Guest Licensing Configurations

Verify that Azure Active Directory B2B settings and Power Apps licensing requirements are correctly configured for external guest users.

Even when using standard connectors, cross-tenant access requires specific licensing and permission alignments. Guest users must either be assigned a valid license in the host tenant or bring their own eligible Microsoft 365 license from their home tenant.

Check Azure AD B2B Settings

Log in to the Microsoft Entra admin center, navigate to 'External Identities' > 'Cross-tenant access settings', and ensure inbound access allows guest users from Tenant B to access resources in Tenant A.

Verify Guest User Roles in SharePoint

Open the SharePoint site settings, go to 'Site permissions', and confirm the external users have the necessary 'Contribute' or 'Edit' rights for the specific SharePoint list.

Confirm Power Apps Licensing Rights

Check if the external users' Microsoft 365 licenses include Power Apps use rights for standard connectors. If their home tenant license does not cover this, you may need to assign a Power Apps Per App plan to the guest users in the host tenant.

Review Cross-Tenant and Guest Licensing Configurations

Standard Connector Licensing: Standard Microsoft 365 users typically have seeded Power Apps rights to use custom SharePoint forms without premium licenses, provided no premium connectors are involved.

Solution 2

Escalate to the Power Apps Community

Because cross-tenant licensing can involve complex backend tenant relationships, posting detailed configurations to the official community often yields the fastest specialized assistance.

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Frequently Asked Questions

Why do external users get a Power Apps license error when using standard connectors?

Even with standard connectors, external users (B2B guests) must be properly authenticated and licensed. The error often triggers if the host tenant's cross-tenant policies block the user's home tenant license from being recognized, or if the guest lacks a valid seeded Microsoft 365 license.

Do guest users need a premium license to edit customized SharePoint forms?

Generally, no. If the customized SharePoint form only utilizes standard connectors, guest users with an eligible Microsoft 365 license in their home tenant can use it. Premium licenses are only required if the form connects to premium data sources like SQL Server or Dataverse.

How do I share a Power App form with external users?

To share a Power App or custom form with external users, you first need to invite them as guest users in your Azure Active Directory (Microsoft Entra ID). Once they accept the invitation, you can grant them permissions to the SharePoint list and the associated Power App form.

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