🔹 Incorrect password even though the credentials are correct

Try signing in via the web first.
👉 https://www.office.com

This helps verify whether the issue is related to your account or your email client.

🔹 Outlook does not work but the web version does

Restart Outlook or remove and add the account again.

If the problem continues, try logging in via the web version to confirm that your account is working.

🔹 Account locked

Wait 15–30 minutes and try signing in again.

If it still does not work, please contact our support team.

🔹 New computer + Basic license

Install Outlook Classic instead of using New Outlook.

Outlook Classic is more stable and works better with Microsoft 365 accounts.