Fix Missing Modern or Classic Comments in PowerPoint 2021
Question details
The user is unable to find or switch between modern and classic comments in their presentation software.

- Product
- PowerPoint Professional Plus 2021
- Device & OS
- not provided
- Scenario
- Attempting to view, manage, or switch the comment style (modern vs. classic) while collaborating on a PowerPoint presentation.
- Observed behavior
- The option to switch between modern and classic comments is completely missing from the PowerPoint interface.
Ensure you have administrative privileges or contact your IT department, as resolving this issue may require checking local Group Policy or Office cloud policy settings.
Check Group Policy and Office Cloud Policy Settings
Use this solution if your PowerPoint settings are managed by an organization, as IT policies can restrict access to modern and classic comments.
In many enterprise environments, the availability of modern or classic comments in PowerPoint Professional Plus 2021 is controlled by IT administrators using Group Policy or Office cloud policy services.
If the feature is disabled administratively, the option to toggle comment styles will be hidden from the user interface.
Check Microsoft's official administrator guidance for modern comments in PowerPoint to understand the required policy states.
Press Windows Key + R, type 'gpedit.msc', and press Enter. Navigate to User Configuration > Administrative Templates > Microsoft PowerPoint 2016 > PowerPoint Options > General to ensure comment policies are not set to 'Disabled'.
Contact your IT administrator to verify if the Office cloud policy service in the Microsoft 365 Apps admin center is enforcing comment restrictions on your account.

Seek Assistance in the Microsoft Q&A Community
Use this method if policy settings are correct but comments are still disappearing, especially after using the Compare feature.
Try WPS Presentation for Seamless Commenting and Collaboration
If PowerPoint 2021's group policies are restricting your ability to collaborate, WPS Office provides a lightweight, free alternative. It offers native commenting features without being bound by complex enterprise policy restrictions, making collaboration straightforward and efficient.
- 1. Download WPS Office: Visit the official WPS website to download and install the free office suite.
- 2. Open Your Presentation: Launch WPS Presentation and open your existing PowerPoint (.pptx) file.
- 3. Use Comments Easily: Navigate to the Review tab to access intuitive commenting features instantly.

Frequently Asked Questions
What are modern comments in PowerPoint?
Modern comments provide an updated collaboration experience in PowerPoint, featuring capabilities like @mentions, resolving comment threads, and a clearer interface compared to the legacy classic comment style.
Why can't I switch back to classic comments in PowerPoint 2021?
Microsoft is gradually phasing out classic comments to unify the collaboration experience. Additionally, your organization's IT department may have enforced a Group Policy or cloud policy that disables the fallback to classic comments.
Do Office cloud policies affect desktop versions of PowerPoint?
Yes, if your organization utilizes Office cloud policy services, those settings automatically apply to desktop applications like PowerPoint Professional Plus 2021 whenever you are signed in with your work or school account.




