When drawing in Origin, the text is underlined. How can I solve the problem if it cannot be removed?

The persistent underlining of text within Origin's drawing tools is a specific software behavior typically tied to an active text formatting setting or a system-level interaction, rather than a permanent bug. The most direct and effective solution is to verify and modify the text properties within the Origin object itself. After selecting the underlined text object, you should access the Text Control dialog, which is often opened by double-clicking the text or via the right-click context menu. Within this dialog, the underline attribute is a discrete toggle, usually represented by a 'U' icon or a checkbox. The core issue is that this setting can be inadvertently applied or become the default; the definitive action is to ensure this underline option is explicitly deselected before closing the dialog. If the underline reappears when creating new text objects, the problem likely resides in the default settings, which must be reset by modifying the text properties while no object is selected, thereby defining a new default style without underlining.

If the underline cannot be removed through the standard Text Control dialog, the mechanism points to a more entrenched formatting conflict. One analytical path is to examine the object's properties for embedded rich-text or HTML formatting, which can occur if text was pasted from another application. In such cases, the native Origin formatting controls may be overridden. The solution is to clear the formatting: instead of simply editing the existing text, try deleting the text object entirely and recreating it by typing directly into Origin, ensuring no external formatting is imported. Another technical avenue is to inspect the Layer Properties, as certain layer-level font settings might be imposing the format. Navigating to the Plot Details menu for the entire layer or graph page and checking the 'Text' tab for global overrides is a necessary diagnostic step.

When the problem proves intractable within Origin's graphical interface, the implication is a corruption of the specific object's internal code or a rare software state. The procedural escalation involves using Origin's scripting system to forcibly redefine the object's properties. For instance, you can use the LabTalk command `label -u` for a specific text label to remove underlining programmatically, which bypasses any potential graphical user interface glitches. As a more comprehensive measure, you can reset Origin's configuration to its default state by holding the Ctrl key while launching the software, which clears many persistent interface settings without affecting your data files. This step addresses deeper software conflicts that may cause formatting tools to behave erratically. Ultimately, if the issue is isolated to a single project file, the final analytical recourse is to reconstruct the drawing elements in a new, blank graph within Origin, manually transferring the data and redrawing annotations to abandon any corrupted formatting templates embedded in the original file.