No they're not in the same division.
The NFL Playoffs consists of three rounds (Wild Card, Division and Conference). The Packers did beat the Steelers once in the postseason (Super Bowl XLV).
Once; Super Bowl XLV.
Currently, fullback John Kuhn has played for both the Packers and Steelers.
The Pittsburgh Steelers and New York Jets have played each other two times in the playoffs. The Steelers won both games.
Green Bay Packers and Pittsburgh Steelers. Packers won 31-25.
In the 2007 playoffs, the Jacksonville Jaguars defeated the Steelers 31-29 in the Wild Card game played on January 5, 2008.
The Green Bay Packers (02-05) The Pittsburgh Steelers (06-08) The Indianapolis Colts (2008)
Prior to Super Bowl XLV, The Steelers and Packers played on December 20, 2009. The Steelers won 37-36 at Heinz Field.
The Pittsburgh Steelers, who have won six Super Bowls, are tied with the Dallas Cowboys for most appearances with eight. The Green Bay Packers have appeared in five Super Bowls and won four of them.
The Packers and Steelers played on February 6, 2011 in Super Bowl XLV. The location was Cowboys Stadium in Arlington, Texas.
It was on February 6, 2011 in Super Bowl XLV. The Green Bay Packers defeated the Pittsburgh Steelers 31-25.
Yes they did, February 6, 2011 and unfortunately the Steelers lost :(
In the 2011 playoffs, the AFC Wild Card game was played on January 8, 2012.The Steelers lost to the Denver Broncos in overtime, 29-23.