Offset function
dynamic range makes it possible.
Sample data
Steps
- Define a dynamic named range
=OFFSET(Sheet1!$A$2,,,1,COUNTA(Sheet1!$A$2:$Z$2))
and give it a
namemobileRange
- Right Click on Chart
- Click on Select Data
This screen will come
Click on Edit
under Legend Entries.(mobiles is selected)
- change the Series value to point to
mobileRange
named range. - Now if data for future months are added to mobile sales it will automatically reflect in chart.