Edwards was the immediate favourite when Jon Lewis was sacked in the aftermath of a painful Ashes whitewash, and the England and Wales Cricket Board has moved swiftly to get her in, taking less than a fortnight to finalise the move.
The 45-year-old, who represented her country on more than 300 occasions, lifted World Cups in both white-ball formats and won five Ashes series, said: "I am so delighted to once again be part of the leadership of the England Women's cricket team and I cannot wait to take this team forward and drive us to success.
"It means the world to me to have the three lions on my chest once again. Leading England as captain was my life for 10 years and I will forever be passionate about this team and our legacy. We have such a talented group of players, and I am excited about working with them.
"I'm relishing the prospect of winning trophies and taking this team forward."
Edwards spent 20 years as an England international, captaining the side for 10 of those, and has built up a formidable coaching CV at home and abroad with a host of trophies at Southern Vipers, the inaugural Hundred title at Southern Brave and the Women's Premier League with Mumbai Indians.
She had been linked with the job when Lewis was appointed in November 2022, but publicly withdrew from contention having concluded it was not the right time.
There was no hint of a repeat on this occasion and she made it clear after the 16-0 humiliation Down Under that she wished to play a part in helping her old team rebuild.
Edwards is well-known to Australian women's cricket, both as an opponent and a player with Western Australia, Perth Scorchers, South Australia and Adelaide Strikers from 2014-2017.
One of the first big choices Edwards has to make is over her captain. Heather Knight, who herself succeeded Edwards in 2016, was also axed following an ECB review, leaving no obvious successor.
Nat Sciver-Brunt, Amy Jones, Charlie Dean and even the uncapped Grace Scrivens have been floated but none have a flawless case, meaning the judgment of the new head coach will be critical.
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