securing password list

[<beevoo8 () hotmail com>]

In my job I have a number of username/passwords to various websites and machines that I must keep track of.  I was 
soliciting ideas on how to store these passwords securely.  
Encrypting them with a passphrase seems counterproductive since the file may not be accessed for a while and the 
passphrase might be forgotten.  Would biometrics be a safer idea? What security methods do you use to secure a list 
such as this? 

Any suggestions would be appreciated.

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