The name of the program used to access BW reports is called "Analysis for Microsoft Excel".
 

  Analysis (New version)
Program AnalysisProgram.png
Tool barAnalysisTable.png
Basic User GuideBW Analysis User Guide
Query Refresh Quick Guide 
Workbook Quick GuideAnalysis Workbook Quick Guide
Advanced User Guide 
Converting WorkbooksHow to convert workbook from Analyzer to Analysis
Exercice/CorrectionExercice/Correction