Programmatic subscription to changes of shared Word document?

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You can see changes made by other collaborators in real-time on an open Word document shared on SharePoint. Is there an event raised for these that you can subscribe to in a JS add-in?

Alternatively, can you subscribe to changes made to a Word document hosted on SharePoint in a .net application?

Edit: I see that you can do the latter at a file level using the SharePoint REST API.

Edit 2: I am pretty sure you cannot subscribe to the real-time collaboration changes programmatically. In addition to using the SharePoint REST API, you could use MS Graph API. I am not sure either provide any sort of granularity about changes within a file though, or just tell you which file has been changed.

1 Answers

According to my research and testing, when someone shares a Word document with you, you can open the document in a Web browser. If anyone else is working on the document, you'll see their presence and the changes they're making. In other words is real-time collaboration.

Here is a document for reference: Collaborate on Word documents with real-time co-authoring

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