Configure the option "Worksheet tabs: Font size" (File | Options)

Here you can configure how large the font is for the worksheet tabs. The tabs grow larger automatically to accommodate the new font height.

Supported on: At least Windows Vista
RegBarFontSize

Registry HiveHKEY_LOCAL_MACHINE or HKEY_CURRENT_USER
Registry PathSOFTWARE\Policies\SoftMaker\PlanMaker 2018
Value NameRegBarFontSize
Value TypeREG_DWORD
Default Value11
Min Value1
Max Value72

softmaker.admx

Administrative Templates (Computers)

Administrative Templates (Users)