The following steps should help troubleshoot the issue with font weight with your PowerPoint presentation: t

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1. Ensure you are using the correct font size. Font weight only takes effect when the font size is larger than the preset default size.
   
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2. Check if the 'Bold' option is on or off in your toolbar. By default it should be off. You should also check if the ‘Text Highlight Color’ is white.
   
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3. Restart your PowerPoint application and try again.
   
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4. If all else fails, try to download an Office update or go to the PowerPoint website for Help Center guiidance.
   
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