Australian Prime Minister Scott Morrison has outlined how the nation will re-open from this weekend.

It will be a three-stage plan, beginning with Step One today, Friday. This includes:

• Five guests allowed at a home, 10-person gatherings outside.
• Restaurants, cafes and retail shops re-opening
• Working from home if it suits employees.
• Classrooms and playgrounds re-opened.
• Domestic travel resuming.

Step Two will include gatherings of up to 20 people and re-openings of cinemas, gyms, beauty salons and community sport.

Step Three will see 100-person gatherings allowed.

It will still up to each state and territory to carry out these openings according to their own timelines and with social distancing measures in place. Queensland and the Northern Territory have already moved on some of these.

"There will be outbreaks, there will be more cases. Not everything will go to plan," said Mr Morrison.

"But we cannot allow our fear of going backwards from stopping us from going forwards."