According to the post of Ethan Gur-esh in the msdn blog Microsoft will support CMIS with SharePoint 2010. But Microsoft will wait until CMIS 1.0 is officially released.
An interesting quote from Ethan regarding CMIS:
At this point, pretty much every vendor in the ECM space is really motivated to start supporting CMIS in their respective products. We’ve all seen the excitement from customers about CMIS — for example, a recent AIIM survey showed that 15% of organizations are already interested in using CMIS. (This is an unbelievable number for a standard that isn’t even final yet!)
#1 by stw on 19. November 2009 - 21:45
But what does this CMIS-support of MOSS2010 mean? Will MOSS2010 allow CMIS-based applications to use MOSS as a repository? Or is the CMIS-support limited to the integration of other CMIS-repositories to Sharepoint-applications?
#2 by Nico on 19. November 2009 - 23:29
I think that it will be possible to access the Sharepoint Repository through CMIS from an external application.
#3 by stw on 8. February 2010 - 20:58
Nico, you’re right. MS already has this kind of CMIS-compatibility built in a prerelease of SP2010. But I heard that the code isn’t ready yet and will not make it into the first release of SP2010.