This tip will not work with keyboard shortcuts. First select the cell you want to copy. Now click Edit on the Menu Bar and select Copy. Hold down the CTRL key as you click the cells you want to copy the data into. Click Edit on the Menu Bar again and select Paste.
Word makes it easy.
Click File on the Menu Bar and select New. In the New dialog box, click the Letters and Faxes tab and double click the Mailing Label Wizard icon. Next choose either Create One Label or a Page of the Same Label. When the Envelopes and Labels dialog box opens, click Options and in the Options dialog box, under Product Number, select the label type that matches your label sheet. Click OK to return to the Envelopes and Labels dialog box and click the New Document button.