WOPI extensions for coauthoring overview

Here, you'll learn about changes and additions to the existing Web Application Open Platform Interface (WOPI) protocol to support real-time coauthoring with third-party hosts as part of Cloud Services Partner Program Plus (CSPP Plus). The documentation for WOPI extensions for coauthoring doesn't include elements related to uploading or downloading file contents, which are documented separately.

What's covered

These articles assume that the reader has the core knowledge of how the existing WOPI protocol works.

The articles refer to many concepts and terms that are defined by the existing protocol.

Next steps

• Learn about additional CheckFileInfo properties required and optional for CSPP Plus implementations.
• Learn what's new in the GetNewAccessToken WOPI coauthoring extensions.
• Learn about additional lock types provided by the WOPI coauthoring extensions.