Duterte says she has not read the complaint against her, endorsed by majority of lower house members, but her lawyers are gearing up for a trial in the Senate in June.
Asked during a press conference if her resignation was an option, she said: "We're not there yet. Those things are still too far off."
Duterte's remarks were her first since the lower house impeached her on Wednesday, charging her with culpable violation of the constitution, graft and corruption, other high crimes and betrayal of public trust.
She has denied wrongdoing.
The action stemmed from allegations she misused public funds while vice president and education minister, amassed unexplained wealth, and threatened the lives of President Ferdinand Marcos Jr, the first lady and the lower house speaker.
On Friday she again reiterated she had made no assassination threat.
Duterte said her 79-year-old father, former president Rodrigo Duterte, was welcome to join her defence team "if he wants to", adding he may not lead the team given his age.
The vice president has been embroiled in a long-running row with former ally Marcos and has previously dismissed moves against her as politically motivated.
For her to be convicted and removed from her post, the support of two-thirds of senators at the trial is required. Duterte has some key allies in the Senate, as does Marcos.
Duterte said she could not say if she would secure enough votes for an acquittal.
"The only thing I can say at this point is God save the Philippines," she said.
If the impeachment is successful, Duterte would be ousted from her position as vice president and would be disqualified from holding public office, which would prevent her from running for president of the country in 2028.
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