'%3e%3cpath%20d='M8%200C12.4183%200%2016%203.58172%2016%208C16%2012.4183%2012.4183%2016%208%2016C3.58172%2016%200%2012.4183%200%208C0%203.58172%203.58172%200%208%200ZM11.6162%204.38379C11.2257%203.99337%2010.5927%203.99338%2010.2021%204.38379L8%206.58594L5.79785%204.38379C5.40732%203.99334%204.77429%203.99329%204.38379%204.38379C3.99331%204.77429%203.99335%205.40733%204.38379%205.79785L6.58594%208L4.38379%2010.2021C3.99348%2010.5927%203.99341%2011.2257%204.38379%2011.6162C4.77426%2012.0066%205.40734%2012.0065%205.79785%2011.6162L8%209.41406L10.2021%2011.6162C10.5927%2012.0066%2011.2257%2012.0067%2011.6162%2011.6162C12.0067%2011.2257%2012.0066%2010.5927%2011.6162%2010.2021L9.41406%208L11.6162%205.79785C12.0066%205.40735%2012.0066%204.77429%2011.6162%204.38379Z'%20fill='%23080E17'%20fill-opacity='0.46'/%3e%3c/g%3e%3cdefs%3e%3cclipPath%20id='clip0_3761_713'%3e%3crect%20width='16'%20height='16'%20fill='white'/%3e%3c/clipPath%3e%3c/defs%3e%3c/svg%3e)
Fix Bold Text Becoming Thin When Exporting PowerPoint to PDF
Question details
Users experience an issue where bold text loses its formatting and appears as a standard or thin font weight after exporting presentation slides to a PDF.
- Product
- PowerPoint
- Device & OS
- not provided
- Scenario
- Exporting or saving specific presentation slides as a PDF document.
- Observed behavior
- The bold fonts from the original slides fail to retain their weight during conversion, resulting in unexpectedly thin text in the exported PDF file.
Before proceeding, check whether this issue occurs across all presentations or is isolated to a single file, and note exactly which font names are losing their bold weight.
Test Alternative Fonts and Isolate the Issue
Determine if the text thinning is caused by a specific custom font lacking a dedicated bold weight file.
Often, text appears bold in a presentation software because the system artificially adds weight to a standard font (faux bold). When exported to PDF, the engine may only look for a true bold font file. If it doesn't exist, the text reverts to its thin, regular weight.
Open your presentation and highlight a portion of the text that becomes thin when exported.
Navigate to the Home tab and change the font to a standard, universally supported system font such as Arial, Calibri, or Times New Roman, then apply the Bold formatting.
Go to File > Export > Create PDF/XPS Document to export just that specific slide.
Open the newly created PDF to see if the standard font retains its bold weight. If it does, you will need to install the true bold version of your original custom font or use a standard alternative.
Use Microsoft Print to PDF as a Workaround
Bypass the native Export engine by utilizing the virtual Print to PDF feature, which uses a different rendering method.
Verify and Update Your Software Version
Ensure your presentation software is up to date, as PDF rendering bugs are frequently patched in routine updates.
Export Presentations to PDF Flawlessly with WPS Office
If your current presentation software struggles with formatting retention during PDF exports, try WPS Office. It provides an accurate, built-in PDF converter that perfectly preserves bold text, custom fonts, and intricate slide layouts while serving as a comprehensive productivity suite.
Frequently Asked Questions
Why do custom fonts lose their bold weight in PDFs?
If a custom font does not have a specifically designed bold font file installed on your system, the presentation software may synthetically generate the bold appearance on your screen. These synthetic styles often fail to carry over during the PDF conversion process, causing the text to revert to its regular weight.
Does printing to PDF work better than exporting to PDF?
Sometimes. Using the 'Microsoft Print to PDF' virtual printer from the Print menu utilizes a different rendering subsystem than the 'Export' menu. Depending on the exact font and layout, this method can often bypass export bugs and preserve font weights accurately.
How can I embed fonts to prevent PDF export formatting issues?
To embed fonts, go to File > Options > Save. Check the box for 'Embed fonts in the file', and select 'Embed all characters (best for editing by other people)'. This ensures the exact font data is available during the PDF conversion, reducing the risk of formatting loss.
