Complex sentence: In March 2010 Corel released their WordPerfect Office X5 office suite containing the new X5 version of WordPerfect which includes improved support for PDF, Microsoft Office 2007, OpenDocument and Office Open XML.
Split into simpler sentences: In March 2010 Corel released their WordPerfect Office X5 office suite, which contains the new X5 version of WordPerfect. This version includes improved support for PDF, Microsoft Office 2007, OpenDocument, and Office Open XML.