In the menu bar of the Web Application Designer, choose Tools → BEx Query Designer.
If you are already in a cell of the query, in the analysis toolbar, choose Tools → Change Query <Technical Name>. The Query Designer opens with the associated query. In this case, step 2 is omitted (see below).
In the menu bar of the Report Designer, choose Tools → BEx Query Designer.
The BEx Open Dialog appears. All queries are offered here in your history, favorites, or roles, or are listed according to InfoArea. In InfoAreas, a list of all existing queries is displayed from the BW system that you have display authorization for.
More Information: