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How to change your Portal das Finanças password

Follow these instructions to change your password on the Portuguese tax office's online portal.


Once you receive your password to Portal das Finanças, you should log in and update your password to something only you know.

Step 1: Log in to Portal das Finanças

1. Go to https://www.portaldasfinancas.gov.pt/

2. Click on the Iniciar Sessão button at the top right corner of the page.

portal das financas website homepage

3. Click on the NIF tab.

portal das financas log in nif tab

4. Enter your NIF number. Where can I find my NIF number?

5. Enter your password. When will I receive my password?

6. Click the Autenticar button.

portal das financas log in with nif and password

Step 2: Navigate to the Change Access Data page

1. Using the search bar at the top of the page, search for the keyword alterar dados de acesso

portal-das-financas search bar alterar dados de acesso

2. Find “Alterar Dados de Acesso” and click Aceder

portal das financas select change password

3. You will be prompted to re-enter your password. Click on the NIF tab, enter your password, and click the Autenticar button.

portal das financas re-enter password

Step 3: Change your password

1. Click the checkbox beside Alterar Senha.

portal das financas tick password change

2. Enter your new password (with a minimum of 8 characters) in both the form fields.

input field to enter new password

3. Click the Alterar button.

confirm change of password

Congratulations, you've successfully changed your password! 🎉