Najib Razak pleaded not guilty to all counts, which represented the most serious in a string of charges he has faced over the alleged looting of state fund 1MDB.
Najib Razak and his wife, Rosmah Mansor, have been barred from leaving the country after his decade in power ended in a shock election defeat in May.
It was the latest pledge by the country's new reformist leaders to roll back repressive legislation introduced by scandal-hit ex-premier Najib Razak.
1Malaysia Development Berhad, or 1MDB as it is known, is at the centre of money laundering investigations in at least six countries.
The United Malays National Organisation (Umno) has governed the country for more than 60 years.
Authorities are investigating Najib as part of their probe into how billions of dollars went missing from state fund 1Malaysia Development Berhad (1MDB), which was founded by the former premier.
Malaysia will reopen an investigation into the murder of a Mongolian model in 2006, the Star newspaper reported on its website
Former Malaysian prime minister Najib Razak says he shouldn't be blamed for the multi-billion-dollar 1MDB scandal, and declares he knows nothing about money from the state fund appearing in his personal account.
Mahathir Mohamad told Reuters in an interview that Malaysian investigators already "have an almost perfect case" against the principal suspects who had defrauded 1MDB.
The wife of Malaysia's ousted prime minister Najib Razak on Tuesday arrived at the nation's anti-corruption agency for questioning over a massive financial scandal involving a state sovereign wealth fund.