Re: Is there a way to transfer BTC from an offline wallet (Armory) to a new...
that there are no white spaces at the beginning or the end of each line.
Electrum allow you to click on "Next" button and generates the addresses even if there are extra spaces either at the begging of the private key, or at the middle or at the end. Look at the image below. It's possible to click on "Next" button even with these extra spaces.
