This policy setting allows you to enable or disable the file format compatibility dialog box when saving a file as an OpenDocument ...

This policy setting allows you to enable or disable the file format compatibility dialog box when saving a file as an OpenDocument presentation file in Microsoft PowerPoint.

If you enable this policy, the file format compatibility dialog is displayed whenever you save as an OpenDocument presentation file in PowerPoint.

If you disable this policy, the file format compatibility dialog is not displayed when you save as an OpenDocument presentation file in PowerPoint.