In the Projects window, right-click the Configuration node in the project you want to modify, and then click Edit.
The Configuration Editor appears.
Click the Query tab.
The Query page appears.
Do one of the following:
To modify a blocking query, select the query to modify in the Blocking Queries section, and then click Edit.
The Blocking Query Builder dialog box appears.
To modify a basic query, select the query to modify in the Basic Queries section, and then click Edit.
The Basic Query Builder dialog box appears.
Modify any of the fields and configuration options described in Master Index Query Builder Dialog Box Fields and XML Elements.
For blocking queries, you can modify query blocks by performing any of the following procedures:
When you are done editing the query, click OK.
On the Configuration Editor toolbar, click Save.
To modify or define values to be excluded as criteria (for blocking queries only), go to Filtering Default Values From Master Index Processes.