Unable to send emails from Outlook.com connected accounts from Outlook app
Applies ToOutlook 2016

Last Updated: March 1, 2019

ISSUE

This error may occur when you try to send email using an Outlook.com Connected Account:

  • "This message could not be sent. You do not have the permission to send the message on behalf of the specified user.”

STATUS: WORKAROUND

The Outlook Team is investigating a fix.  As a workaround, add the Connected Account as an Outlook.com secondary Alias. To do this:

  1. Go to this page https://account.live.com/names/Manage.

  2. Under Account Aliases, click Add Email.

  3. Under Add an alias, click the radio button for Add an existing email address as a Microsoft account alias.

  4. Click the button Add Alias.

More Resources

Icon Experts (brain, gears)

Ask the experts

Connect with experts, discuss the latest Outlook news and best practices, and read our blog.

Outlook Tech Community

Icon Community

Get help in the community

Ask a question and find solutions from Support Agents, MVPs, Engineers, and Outlook users.

Outlook Forum on Answers

Icon feature request (light bulb, idea)

Suggest a new feature

We love reading your suggestions and feedback! Share your thoughts. We're listening.

Find out how

Still need help?

To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn't solve your problem, scroll down to Still need help? and select Yes.

To contact us in Outlook.com, you'll need to sign in. If you can't sign in, click here

For other help with your Microsoft account and subscriptions, visit Account & Billing Help.

Get Help app icon

To get help and troubleshoot other Microsoft products and services, enter your problem here

Post questions, follow discussions and share your knowledge in the Outlook.com Community.

See Also

Fixes or workarounds for recent issues in Outlook for PC

Need more help?

Want more options?

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Find solutions to common problems or get help from a support agent.