sparklines

Let's try this steps to fix
1. In the workbook with your data, select File and Save As
2. From the Save As dropdown, select Excel Workbook (.xlsx)
3. Save to desired location on your system and close the workbook
4. Open the newly saved workbook...

You should have the Sparkline available.


If this fix your question, kindly do accept as the Best Response

Hello, just a quick questions:
May I know the version of Excel you're using whether its either 2007, 2010, 2013, 2016, 2019 or Office 365?

Another question is that, hope the particular workbook doesn't have sheet protection?