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Fix PowerPoint Changing Bryant and Trebuchet Fonts to Italic on Mac
Question details
Users report that specific fonts, such as Adobe Bryant (Medium) and Trebuchet, are incorrectly rendering as italic or bold italic in PowerPoint for Mac.
- Product
- Microsoft PowerPoint for Mac
- Device & OS
- macOS
- Scenario
- Creating or editing presentations using custom third-party or system fonts on a Mac.
- Observed behavior
- Text formatted with specific fonts automatically changes to italic or bold italic. Reinstalling the fonts and restarting the computer does not resolve the display issue.
Verify if the unwanted italic formatting happens only in PowerPoint or also in other Mac applications like Microsoft Word. This quick check helps isolate whether it is a system-wide font cache issue or a PowerPoint-specific rendering bug.
Update macOS and Microsoft PowerPoint
Applying the latest software updates for both your operating system and PowerPoint is the most effective way to resolve known font rendering bugs on Mac.
Microsoft frequently releases patches for rendering issues in Office for Mac. If you are on an affected build (like 16.84), updating to the newest release usually restores proper font appearance.
Click the Apple menu in the top-left corner of your screen and select 'System Settings' (or 'System Preferences'). Navigate to 'General' > 'Software Update' and install any available updates.
Open Microsoft PowerPoint. Click 'Help' in the top menu bar, and select 'Check for Updates'. If you use the App Store version, open the Mac App Store and check the 'Updates' tab.
Install any pending PowerPoint updates and restart the application to see if the font renders correctly.
Diagnose Font Package Conflicts
Determine if the italicization issue is tied to a specific corrupted font face (like Bryant Medium) and validate it using the Mac Font Book.
Experience Flawless Font Rendering with WPS Office
If PowerPoint continues to distort your fonts on macOS, try WPS Office. It is a highly compatible, free, and lightweight alternative to Microsoft Office that perfectly supports your custom fonts without annoying rendering bugs.
- 1. Install WPS Office: Download the free WPS Office installer for macOS from the official website and complete the installation.
- 2. Open your presentation: Launch WPS Presentation, click 'Open', and select your existing PowerPoint (.pptx) file.
- 3. Apply your fonts: Select your text and apply the Bryant or Trebuchet font; it will render normally exactly as intended.
Frequently Asked Questions
Why is PowerPoint suddenly making all my Trebuchet text bold italic?
This is often caused by a known rendering bug in specific versions of PowerPoint for Mac (such as the 16.84 series) or a temporary corruption in the Mac font cache. Updating PowerPoint typically resolves it.
Does clearing the Mac font cache fix PowerPoint font issues?
Yes, clearing the Mac font cache can resolve display issues where fonts appear incorrect, missing, or improperly styled. You can clear it by booting your Mac into Safe Mode (holding the Shift key during startup) and then restarting normally.
How do I check my current version of PowerPoint on Mac?
Open PowerPoint, click on 'PowerPoint' in the top left corner of your Mac's menu bar, and select 'About Microsoft PowerPoint'. A dialog box will appear displaying the exact version number.
Will simply reinstalling the font fix the italic bug?
In this specific PowerPoint scenario, merely reinstalling the font and restarting the Mac often doesn't work because the bug is rooted in how the software reads the font face. You must either update the PowerPoint application or switch to an alternative like WPS Office.
