STEP 1: To change the name of the recently created name PREVIOUS_QTR_SALES, select the Formula tab.

STEP 2: Select Name Manger from the Defined Names section of the ribbon.

STEP 3: On the Name Manger dialog box, select the Edit button (FIGURE 1). 

STEP 4: ​In the Edit Name dialog box, in the Name window, change the name to QTR_SALES_2015. Select OK button (FIGURE 2).

Tip: If you wish to enter any amplifying information about what the name does, enter it in the Comments window. This is often a good idea since it will help you remember what the name does.