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I want to change all default fonts of Altium to Arial, specifically in the Schematic. Right now they are Times New Roman. I changed my system font in my template but that doesn't seem to effect the components used in the schematics which make up 99% of the text I want to change. I've tried placing new components but it doesn't seem to affect the font's of the Libraries and hence not the fonts of the Ref Des, Part Numbers etc..

On a side note is there a way to change the font off all selected text without changing the size? Any help appreciated.

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  • \$\begingroup\$ I could be wrong but I think you can only change the font (typeface and size) together, not just the typeface. Use Find Similar Objects and FontID Same. \$\endgroup\$
    – Spehro Pefhany
    Sep 13, 2016 at 18:32
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    \$\begingroup\$ It is ridiculous that changing the system font is so unnecessarily difficult. \$\endgroup\$
    – James Keen
    Jul 27, 2017 at 8:16
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    \$\begingroup\$ @JamesKeen I would say it is even more ridiculous to use a serif typeface on technical software. \$\endgroup\$
    – nowox
    Jan 31, 2021 at 19:44

1 Answer 1

Reset to default
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You can change the fonts of individual primitives under Preferences > Schematic > Default Primitives. Select each item in the list and click the Edit Values... button.

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  • \$\begingroup\$ That might work but it is a lot of work to change all of them. Not to mention you have to change the font for Mils and MMs separately. Still hoping there is a global font somewhere. Something must be telling Altium to use Times New Roman... \$\endgroup\$
    – ptoupin
    Sep 14, 2016 at 19:56
  • \$\begingroup\$ @ptoupin Consider it as a part of your Altium setup. How much time have you (or your colleagues) spent setting up design templates, design rules, libraries etc? Setting up fonts is trivial compared to all the other stuff. \$\endgroup\$
    – Armandas
    Sep 14, 2016 at 20:24
  • \$\begingroup\$ @Armadas I went through the efforct to change all the fonts to Arial. An easier way is to save the default primitives to a .dtf file then find replace all the "Times New Roman" with "Arial". You also have to check the "Override library primitive" on a bunch of the primitives. This did change most of the fonts, however it did not change any of the parameters fonts for components which makes up most of the font on the schematics. Is there a way to change the font of a Library? Or of the parameters of all parts etc.. \$\endgroup\$
    – ptoupin
    Sep 23, 2016 at 12:10
  • \$\begingroup\$ @ptoupin I assumed that changing the "parameter" settings would change all the parameter fonts. I gave it a go and it seems that only newly created library components are affected. Unfortunately, I don't know an easy way to change all the existing library components to the new style... \$\endgroup\$
    – Armandas
    Sep 23, 2016 at 13:05
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    \$\begingroup\$ Your final statement, "I don't know an easy way to change all the existing library components to the new style", is my frustration. Did you ever find a solution? Where are the most global defaults set and what is the easiest method to change them all? \$\endgroup\$
    – JOHN
    Dec 23, 2017 at 0:20

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