The two men, aged 22 and 23, were not identified. They were charged over the Aug. 6 blast at the tax agency blast in Copenhagen.
In a statement, senior prosecutor Lise-Lotte Nilas said officials believe "the case is so serious that it is a terror-like act."
The two men were arrested on an international arrest warrant in Sweden in August and handed to Denmark for prosecution.
If found guilty, they could face a life sentence, which equates to 16 years on average, No date for a trial was immediately announced. (AP) RUP