If you’ve lost access to your Yahoo account due to outdated contact information like old mobile numbers or email addresses, the best course of action is to follow Yahoo’s account recovery process. Start by visiting the Yahoo sign-in helper page and entering your account details. You’ll be prompted to verify your identity through recovery options, such as security questions, or a new email address if you have set one up. If you’re unable to recover your account through these steps, you can reach out to Yahoo’s customer support for further assistance. It’s important to keep your recovery information up-to-date, and if you ever face challenges with similar issues in other contexts, such as school or work, seeking custom assignment help can be a useful way to stay on track with your responsibilities while navigating technical setbacks.