I need to prove that collaboration is happening. One suggestion is to use measure the number of documents which have been co-authored in the past month. Does anyone know how to do this ? I've been searching for powershell properties that might give some indication but come up with nothing.
To be clear I don't need to know how many documents can be co-authored, but rather how many have had multiple authors. Ideally I would also be able to show the names of the staff who did the co-authoring.
For those wanting to know environment : lets assume SharePoint 2013 on premise, multiple sites each with multiple libraries and a total of 10,000 documents that could be co-authored.
Thanks for your help. Dorje