to delete a header's horizontal line, follow these steps
Step one: We can set the header ourselves, as shown in the following figure, insert the header, select the first header, and then we will find that the document automatically added a header.
Step two: At this time we want to delete the header, you can double-click the header, and then click the following image in the header format, the header can be deleted.
Step three: But the small series often encounter, such as not the same version of the Word document, using the above method will be difficult to remove the header, can not be deleted by the header column, the deletion option, this time the small part of the recommended for the next step.
Step four: Double click on the header section of the page, and then click on the start item to find the style, as shown in Figure 1 below, and click on the lower right arrow. And then, as shown in Figure 2, clear the format is OK