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Fix PowerPoint Displaying Rectangles Instead of Text for Custom Fonts
Question details
The user needs to fix an issue where specific custom or third-party fonts display as blank rectangles in PowerPoint 2016, despite functioning correctly in Word or PowerPoint for the web.
- Product
- Microsoft PowerPoint
- Device & OS
- Windows
- Scenario
- Opening or editing a presentation that contains third-party fonts or fonts modified with tools like FontForge.
- Observed behavior
- The text characters fail to render properly in the desktop application and instead appear as a series of blank rectangles.
Ensure that the affected fonts are properly installed on your system and verify if the presentation displays correctly in PowerPoint for the web to isolate the issue to the desktop application.
Troubleshoot PowerPoint and Repair Office
Use Safe Mode, disable interfering add-ins, and use the built-in Office repair tool to resolve underlying software conflicts causing font rendering issues.
Sometimes background processes, corrupted application files, or third-party add-ins interfere with how PowerPoint renders complex or customized fonts.
Press the Windows key + R to open the Run dialog. Type 'powerpnt /safe' and press Enter. If the fonts display correctly, an add-in is likely causing the problem.
In PowerPoint, navigate to File > Options > Add-ins. At the bottom, change the Manage dropdown to 'COM Add-ins' and click Go. Uncheck all items, click OK, and restart PowerPoint normally.
Open the Windows Control Panel, go to Programs > Programs and Features. Select your Microsoft Office installation, click 'Change' at the top, select 'Online Repair', and follow the prompts.
Replace Unsupported Modified Fonts
PowerPoint may not fully support certain third-party fonts or standard fonts that have been heavily modified with tools like FontForge.
Refresh File via OneDrive or Test a New User Profile
Clear document-level corruption by renaming the file through OneDrive, or test for Windows profile corruption by creating a new local user.
Try WPS Office for Better Font Compatibility
If Microsoft PowerPoint continues to struggle with your customized or third-party fonts, switch to WPS Presentation. It offers a highly compatible environment that handles diverse fonts smoothly without triggering rendering errors.
- 1. Download WPS Office: Visit the official WPS website to download and install the free WPS Office suite.
- 2. Open Your Presentation: Launch WPS Presentation and click 'Open' to load your existing .pptx file.
- 3. View Proper Font Rendering: Review your slides to confirm that the custom fonts are displayed accurately as text instead of rectangles.
Frequently Asked Questions
Why do fonts show as rectangles in PowerPoint?
This typically occurs when a font is missing from the system, corrupted, or incompatible with PowerPoint's text rendering engine. It is especially common with fonts that have been custom-modified using third-party tools like FontForge.
How can I embed fonts to prevent display issues on other computers?
To embed fonts, go to File > Options > Save, and check the box for 'Embed fonts in the file'. It is highly recommended to select 'Embed all characters' to ensure the best compatibility when sharing the presentation.
Can third-party add-ins cause font display errors in PowerPoint?
Yes, conflicting COM add-ins can sometimes interfere with how PowerPoint renders slides. Starting the application in Safe Mode by typing 'powerpnt /safe' in the Windows Run dialog can help you determine if an add-in is the cause.
