Quantum Fiber email support
Quantum Fiber email service is no longer available for new customers but existing customers can sign in to use their email and access news, sports, entertainment and more at QuantumFiber.net.
Required Q.com email address change
Customers with a Q.com email address are being moved to a new email address at MyCtl.net.
Get help with this required change. including step-by-step videos for updating your email server settings and changing your email address.
Frequently asked questions
Find answers to the most common questions about your Quantum Fiber email account.
Everything starts at our email hub, quantumfiber.net. There, you can check the news and the weather, watch a video or two, or proceed straight to the email sign-in at the top of the page. Easy!
Note for former CenturyLink customers: If you already have a Quantum Fiber email address that you set up before December 2023, you will continue to sign in at centurylink.net as you always have.
You can get support with your email account and check out FAQs at the Email Help Center. You'll find top questions and requests for both webmail and mobile email, and can chat with customer service from that page if you need additional assistance.
More from our blog
- What to do if you open a phishing email
- How to get rid of malware
- How to prevent phishing
- Types of phishing attacks
- How to spot a phishing email
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© 2025 Q Fiber, LLC. All Rights Reserved. Quantum, Quantum Fiber, and Quantum Fiber Internet are trademarks of Quantum Wireless LLC and used under license to Q Fiber, LLC.
© 2025 Q Fiber, LLC. All Rights Reserved. Quantum, Quantum Fiber, and Quantum Fiber Internet are trademarks of Quantum Wireless LLC and used under license to Q Fiber, LLC.