To modify an existing report, mark the report and click "Design".
...
There are two types of labels:
Free text labels - used to describe data in the report, and Data labels - which are linked to data from the database. The data is displayed when the report is generated.
The layout, appearance and position of the labels can be configured using the DevExpress designer tool.
To modify the header label "Electronic Devices (350)" to a BOLD Arial Font size 12, mark the header as you would in a Word processing program:
Change the text to "Electronic Dev (350)"
Choose font Arial, size 12 and push the 
button.
Leave the field and click 
.
Preview the report by clicking "Preview" button:
To
All changes will be saved for future use.
If you at some point wish to return to the original template, click the "Reset report design" button, and the report will have obtained its original state next time you open the designer.