Short Version
OneDrive for the web and SharePoint will soon display a table of contents (ToC) in a panel on the left for PDFs that already have a ToC. This will allow you to view the ToC continuously and use it to navigate the document. Due mid-June to early July 2025.
Details
If your PDF contains a Table of Contents (ToC), it will be replicated on the left of your screen as you open it from OneDrive or SharePoint. Use it to jump to any part of the PDF:

These two buttons in the top left corner allow you to open and close the ToC pane:

Availability
Due mid-June to early July 2025.
Source, related links, and references
MC1077863.
365 Roadmap ID 486859..
Image(s): Microsoft.
Page originally published
22nd May 2025 and kept up to date.
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