Ansys Assistant will be unavailable on the Learning Forum starting January 30. An upgraded version is coming soon. We apologize for any inconvenience and appreciate your patience. Stay tuned for updates.
Sampat Kumar
Ansys Employee

Hi Antoine Pautrot,
Check the following forum that would help to resolve the issues.
/forum/forums/topic/changing-of-font-size/
Search videos on YouTube with the keywords" ANSYS with overlapped tab and small font size issue"

Let me know if this doesn't help you.
Best Regards,
Sampat

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