File Sharing Problems

How to Fix SharePoint Error: Cannot Share File with External Gmail Users

Camila Milosovich Sep 27, 2026 869 views

Question details

The user is unable to share a SharePoint file with external Gmail users and needs to adjust sharing restrictions to allow external guest access.

How to Fix SharePoint Error: Cannot Share File with External Gmail Users

Product: Microsoft SharePoint
Device & OS: not provided
Scenario: Attempting to share a document hosted on SharePoint with an external user using a Gmail address.
Observed behavior: An error message appears stating: "Your organization's policies don't allow you to share with these users."

Before you start

Ensure you have SharePoint Administrator or Global Administrator privileges, as resolving organization-wide external sharing restrictions requires access to the SharePoint Admin Center.

Solution 1Recommended

Enable External Sharing in the SharePoint Admin Center

Adjust the tenant-level external sharing settings to allow sharing with new and existing guests or anyone.

SharePoint's global settings dictate the maximum level of external sharing allowed for all sites in your organization. If this is restricted, individual site owners cannot share files externally.

Access the SharePoint Admin Center

Navigate to Sharing Policies

In the left-hand navigation menu, expand 'Policies' and select 'Sharing'.

Adjust External Sharing Levels

Drag the SharePoint external sharing slider up to 'New and existing guests' or 'Anyone' depending on your organization's security requirements.

Verify Domain Restrictions

Expand 'More external sharing settings' and ensure that the 'Limit external sharing by domain' feature is either turned off or configured to allow 'gmail.com'.

Save Changes

Click 'Save' at the bottom of the page to apply the new tenant-wide sharing policies.

Enable External Sharing in the SharePoint Admin Center

Propagation Time: Changes made in the SharePoint Admin Center may take a few minutes to propagate across all site collections.

Solution 2

Adjust Site-Level Sharing and Access Request Settings

Ensure the specific SharePoint site allows members to share files and does not restrict external guests locally.

Solution 3

Review Document Library Permissions and Lockdown Mode

Check for specific document library restrictions or site collection features that override normal site sharing permissions.

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1. Open your document in WPS Office: Launch WPS Office and open the file you wish to share.
2. Click the Share button: Locate and click the 'Share' button in the top right corner of the workspace.
3. Generate a sharing link: Select 'Create Link' and adjust the permissions to 'Anyone with the link can view/edit'.
4. Send to external users: Copy the generated link and send it directly to your external contacts, such as Gmail users.

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Frequently Asked Questions

Why do I get a 'policies don't allow sharing' error in SharePoint?

This error occurs when your organization's tenant-level or site-level sharing policies are configured to restrict external sharing, or if domain restrictions explicitly block external email domains like Gmail from receiving invites.

Can I share a SharePoint file with someone who doesn't have a Microsoft account?

Yes, provided your SharePoint administrator has enabled 'Anyone' links (anonymous sharing) or allowed sharing with new guests. Guests can authenticate using a one-time passcode sent to their external email address (like Gmail).

How do I check if my domain is blocking Gmail in SharePoint?

A SharePoint administrator can check this by navigating to the SharePoint Admin Center > Policies > Sharing > More external sharing settings, and reviewing the 'Limit external sharing by domain' configuration to ensure 'gmail.com' is not blocked.

What is 'Limited-access user permission lockdown mode'?

It is a site collection feature in SharePoint that, when activated, prevents users with limited access from accessing certain resources. Deactivating this mode in Site Settings often resolves persistent external sharing issues for specific files or folders.

Document & File Issues