- Remove chart (if that small) then save document.
- Quit excel
- Go to system Preferences
- Language & Regions
- Click on advanced you will see this this:
6. Set item Marked
7. click okay
8. Now Open your excel document and create yor Chart.
See if shows correctly now.
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Disclaimer: The opinions & answers are solely mine and mine alone, and do not necessarily reflect upon my position as a Community Moderator.