Do you have thunderbird on another PC? If so, depending on the email account, you may be able to copy from that PC. Tell us more.

No, i dont have thunderbird on another pc and i need my email for work.

In that case, you should contact your email provider to reset the password.

who is that?

What is the info to the right of the @ in your email address?

I dont understand

Do you have an email account? If so, the format is usually something such as janedoe@XYZ.com, where 'XYZ.com' is the name of the email provider. Let me know and we can go from there,

Kassjo.se

Thank you. That doesn't appear to be a common email provider. How did you get the email account? That information may help.

I dont know i have hade it since i was a kid

It was my dad that gave me this email

You might try this website:: http://mail.kassjo.se/ it may offer the ability to recover password or create a new password. Somehow, you must be able to do that before thunderbird can be used.

I need a password for that to

Ok, this url has info on the internet arrangement for the community:

 https://www.kassjo.se/om-bygdegardsfoereningen   I suggest you contact people there, and they can possibly help you recover your password and setup information for email.  There is a link there to this site:   https://bahnhof.se/   which appears to be the actual site that can provide the email information and reset the password. This would be my first place to try. Once you get the password and other server setup information, post back for further assistance.