Beaten in a final-round duel by classy American Lexi Thompson, Ko was pleased simply to remember what it is like to be in contention.
"It was nice to be kind of in that position again, and even though I wasn't the one holding the trophy at the end of last week, I still felt like I played good golf," she said.
"The most important thing was just being in that atmosphere, being in that kind of position again, and it just builds your confidence."
Ko has finished in the top-eight in three of her four outings at the Evian-Les- Bains course. She was second as an amateur in her debut.
A stunning final-round 63 carried her to victory two years ago and it was only last year's 43rd-placing that blots the record.
She is encouraged that nine different players have won the major titles on offer since her French triumph.
And she is amazed there have been 20 different winners on this year' LPGA Tour.
"It just shows that it's not someone who's playing well, all the players are playing great," Ko said.
"You're not getting carried away about, 'Hey, I'm playing against this one person.' The LPGA is a very global tour."
Conditions are forecast to be cool and damp when she tees off with Canada's Brooke Henderson and South Korea's In-Kyung Kim on Thursday night (NZT).