Where is the function bold italic underline in corena studio?

In CorelDRAW, the function to apply bold, italic, and underline styles can typically be found in the Text Properties or Character Formatting toolbar. You can select the text you want to modify, and then click the corresponding icons for bold (B), italic (I), and underline (U) in the toolbar. Alternatively, you can access these options through the "Text" menu by selecting "Font" and then adjusting the styles as needed.