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Email notifications from sharing events aren't delivered to recipients

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Symptoms

In scenarios in which some of your actions trigger email notifications, the messages aren't delivered to the intended recipients.

Examples of such scenarios include situations in which you:

  • Share documents or folders in Microsoft SharePoint
  • Share files or folders in OneDrive
  • Share documents or collaborate on files in Microsoft 365 apps
  • Assign tasks in Microsoft Planner
  • Publish news or comment on news items in Microsoft Viva Connections

Cause

This issue is likely caused by one of the following conditions:

  • Your user profile in Microsoft Entra ID has no value assigned to the Email property.
  • Your email address is flagged as spam by the recipient's email provider.

Resolution

Ask the recipients to check their Junk or Spam folder. If your email address is blocked by a spam filter, the recipients should add your email address to the Safe Senders list to avoid the issue in future.

If the email notification isn't in the Junk or Spam folder, then your email address isn't specified in your user profile. Users who are assigned the User Administrator role in Microsoft Entra or the User admin role in Microsoft 365 have to assign a value to the Email property in your user profile by using one of the following methods.

Method 1: Update from the Microsoft Entra admin center

  1. Sign in to the Microsoft Entra admin center as a User Administrator in Microsoft Entra.

  2. Navigate to Identity > Users > All users.

  3. Select the affected user.

  4. Verify that the User type is set to Member.

    Note: If the User type property is set to Guest, select Edit properties, set User type to Member, and then select Save.

  5. Select Edit properties, select the Contact Information tab, update the Email property to the correct email address, and then select Save.

Method 2: Update from the Microsoft 365 admin center

  1. Sign in to the Microsoft 365 admin center as a User admin in Microsoft 365.
  2. Navigate to Users > Active users.
  3. Select the affected user.
  4. On the Account tab, under Username and email, select Manage username and email.
  5. Under Primary email address and username, select the Edit icon, enter the correct username in Username field, select the correct domain from Domains, select Done, and then select Save changes.