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How to reset your Thunderbird master password

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If you have lost or forgotten your Master Password or you want to disable the feature, reset your master password. Note that, upon resetting, you will lose all the stored information in the Password Manager as this is a built-in security feature to prevent people otherwise resetting your master password and gaining access to your passwords.

* For Firefox ~1.5: enter "chrome://pippki/content/resetpassword.xul" (see Chrome URLs) in the location bar and click on "Reset"
* For Thunderbird ~1.5: "Tools -> Options -> Advanced -> Saved Passwords -> Master Password -> Reset Password".
o At least under Windows I don't find this button. A thing that does work under Windows is starting thunderbird with "thunderbird.exe -chrome chrome://pippki/content/resetpassword.xul". That will open a dialog asking you if you want to reset your password.
* For Mozilla Suite: "Edit -> Preferences -> Privacy&Security -> Master Passwords -> Reset Password".

If you know your Master Password you can remove it without losing your data.

* For Firefox 1.5: "Tools -> Options ->Privacy -> Passwords -> Remove Master Password"
* For Thunderbird 1.5: "Tools -> Options ->Privacy -> Passwords -> Remove Master Password"