How to withdraw from an offline / paper wallet into Bitcoin-Qt on Mac? I understand how to create and deposit into an offline wallet, but how do I retrieve the BitCoins back onto a local Bitcoin-Qt wallet on a Mac?
Goto: Help > Debug Window > Console

In the input box, type: 

importprivkey [YOUR_PRIVATE_KEY_HERE]


Example:

importprivkey 5J5njVrrim5SX9LF56GPx571iViS7LGqpH5TH49ncfaaWFtzMjY