He will miss this year's event after undergoing a knee surgery.
The 38-year-old veteran ace had arthroscopic surgery on his right knee.
The knee injury had been bothering him for a little while.
Here are further details on the same.
See you on the grass, says Federer
Federer, who won his solitary Roland Garros title in 2009, said doctors were "very confident of a full recovery".
"After the procedure, the doctors confirmed it was the right thing to have done," he said according to the BBC.
The Swiss ace will hope to feature at the Wimbeldon 2020 next.
"See you on the grass!" the eight-time Wimbledon champion said.
Federer had skipped the clay-court season in 2017 and 2018
Federer had earlier skipped the entire clay-court season in 2017 and 2018.
That was in view to keep up with fitness and giving his body a rest.
Last year, he played only two tournaments on the surface before arriving in Paris for the French Open.
This time around, he was expected to play just a solitary tournament.
Federer to miss several tournaments, will eye return before Wimbledon
In addition to the French Open 2020, which takes place from May 24 to June 7, Federer will also miss the tournaments at Dubai, Indian Wells, Bogota and Miami. He will hope to return before the Wimbledon and lay a challenge.
Federer bowed out of the semis in Australian Open 2020