A family of Microsoft presentation graphics products that offer tools for creating presentations and adding graphic effects like multimedia objects and special effects with text.
Hi AzureKC,
Thank you for reaching out to Microsoft Community. We're happy to support you with your concern.
Sorry to hear that you're experiencing the issue with losing notes on PowerPoint. We will guide you some ways to help recover your unsaved notes:
- Check for Previous Versions in OneDrive: If your file was saved to OneDrive, you can try restoring a previous version by following the guideline in Restore a previous version of a file stored in OneDrive - Microsoft Support
- Restore from PowerPoint Autosave: PowerPoint has an Auto Recover feature that periodically saves temporary versions. You can find them by open your PowerPoint and go to File > Open > Recover Unsaved Presentations
Please try these workarounds and share us the news via private message so we can take a closer look and assist you further.
Here are the steps to open View Private Messages:
To view private email options, sign in to Microsoft Community> use the email account that posted this thread information to Microsoft Community> > click Profile in the upper-right corner, and then select My Profile.
We appreciate your time and look forward to resolving this for you.
Best Regards,
Hendrix-C – MSFT | Microsoft Community Support Specialist