Yes, you can. To recover your login credentials, you must select the option 'Recover Password' (which is next to your login form) and fill in the required fields:
To change your personal data you must first log in to the tapcorporate.com dashboard, select the My Corporate menu and then select the option My Profile. You can change your:
Nickname;
Position in the company;
Telephone contact information;
E-Mail;
Password;
Preference to receive communication from tap|corporate and TAP Air Portugal or not.
Yes, you can. To add new users to your company account, first select the "My Corporate" menu, then the "Group Profile" option. Then click on the corresponding "Company" option and select the "Users" option. After completing these steps, you will be asked to fill in the personal data of the user(s) you want to add. Note that there are different types of access you can provide to the user that you are adding: "Company Administrator" (has access only to the data of the company in which he/she is registered) or "Group Administrator" (has access to all companies in the group, not just the company in which he/she is registered).