FileSECURE version 4 major features update stream.

• September 2, 2009 through December 15, 2011 : Version 4.5.

• December 7, 2008: Version 4.4 released.

• May 14, 2007: Version 4.3 released with feature updates in November, 2007, June & August, 2008.

• September 6, 2006: Version 4.2 released.

• February 6, 2006: Version 4.1 released.

• August 15, 2004: Version 4.0 released.