To reset your password on portal.office.com, go to the login page and click on "Can't access your account?" Select whether it's a work or school account, then follow the prompts. Enter your email address and complete the verification process using the provided security options, such as receiving a code via email or phone. After verification, create a new password by following the password guidelines. Ensure your new password is strong and secure. Once done, you can log in using your new credentials. If you face issues, contact your organization's IT support for assistance.

To troubleshoot login issues on portal.office.com, ensure your internet connection is stable and the website is accessible. Verify your username and password, ensuring no typos or incorrect credentials. Clear your browser's cache and cookies, or try accessing the portal in incognito mode or using a different browser. Check for any service outages by visiting the Microsoft Service Status page. Ensure your account isn’t locked or blocked, and reset your password if necessary. If multi-factor authentication (MFA) is enabled, confirm you have the correct authentication method. Contact your IT administrator or Microsoft support for further assistance if issues persist.