If you've ever set up a branded PowerPoint deck, picked your custom font, and then watched every new text box stubbornly revert to Aptos or Calibri this post is for you. There's a lesser-known trick that fixes this in under 10 seconds. No need to touch the Slide Master. No theme gymnastics. Just a one-time setup per file. Why PowerPoint Keeps Ignoring Your Font Choice? PowerPoint has two separate systems for text: Placeholders - controlled by the Slide Master and theme fonts Text boxes - inserted on the fly, and they follow their own default, which is almost always the Office theme font (currently Aptos) When you use Replace Fonts, you're only swapping fonts already in use. It doesn't touch the default for new text boxes. That's why the problem keeps coming back. The Fix: Set a Default Text Box Here's how to make PowerPoint remember your font for every new text box in the file: Insert a text box on any slide Type something inside, select the text, and change the...