Hello, Mary Iles
Welcome to Microsoft Community.
I realize that you have encountered a problem with transferring PowerPoint file to a PDF file. I understand how you feel.
Due to privacy restrictions, we are not authorized to send emails directly to your mailbox from this community.
Due to limited information and various possible reasons for the problem, we may require more detailed information from you.
- I noticed that your post was published in the Mac section. Are you using PowerPoint on a Mac device?
Please tell use your macOS version. Click the Apple menu in the upper-left corner of your Mac, then click About This Mac.
- You mentioned that this issue occurred in the new version. Please tell me your current version of Office.
Open PowerPoint > click PowerPoint in the upper-left corner > click About PowerPoint.
- Which Office product do you have?
For example: Microsoft 365 Personal subscription? Microsoft 365 Family subscription? Office Home & Student 2021?
- How did you convert the PowerPoint file to a PDF file?
For example, in the PowerPoint application, did you click “File” - “Export”?
- Please attach screenshots of this issue so that we can understand it better.
Press Shift + Command + 4 to take a screenshot.
Please understand that our initial response may not always solve the problem immediately. I'm looking forward to your reply.
Best wishes,
Lucia Wu - MSFT | Microsoft Community Support Specialist