Hello,
Azure Information Protection can classify and protect email messages and documents, whether they are located on-premises or in the cloud. These documents include Word documents, Excel spreadsheets, PowerPoint presentations, PDF documents, text-based files, and image files. For a list of the document types supported, see the list of file types supported in the admin guide.
Azure Information Protection cannot classify and protect structured data such as database files, calendar items, Power BI reports, Yammer posts, Sway content, and OneNote notebooks.