To sign into your account, please make sure you enter the correct registered email address (or Member ID) and password. Your password is case sensitive, so please check if your keyboard's Caps Lock light is on and also make sure there are no extra blank spaces in the password. Other solutions may include:

1. Delete cookies or change your browser
2. Try the Password Retrieval process
3. If you encounter an error message saying, “Sorry, you are not authorized to sign into this account”, please contact our customer service team
 check your email inbox. You may have missed important information regarding your account.

There are many reasons for your account to be unavailable, such as:
1. Self-deactivation. In this case, we suggest you register a new account 
2. Deactivated due to trading rules violation
3. Due to security reasons, we temporarily locked your account to protect your information.

Note:
check your email inbox. You may have missed important information regarding your account.

If you mistakenly registered under a seller account, register again under a buyer account. You are unable to change the account from seller to buyer account.

You will encounter the below error message if you try to shop on AliExpress with a seller account

At the moment, seller accounts are only available for China Mainland sellers.