Hi Portico,
I'm not clear from your description how you would be accessing the Groove workspace except as an offline mode to be synched later,
when reconnected. You may want to use the link below to also post this to the MS Office Groove discussion group and include the
versions of Office an Groove you're using.
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Assume I am on a plane editing a PowerPoint Presentation posted on a Groove
workspace. Is that Presentation locked from being updated by another Groove
space contributor?
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Thanks.>>
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Please let us know if this has helped,
Bob Buckland ?

MS Office System Products MVP
LINKS
A. Specific newsgroup/discussion group mentioned in this message:
news://msnews.microsoft.com/microsoft.public.groove
or via browser:
http://microsoft.com/communities/newsgroups/en-us/?dg=microsoft.public.groove
B. MS Office Community discussion/newsgroups via Web Browser
http://microsoft.com/office/community/en-us/default.mspx
or
Microsoft hosted newsgroups via Outlook Express/newsreader
news://msnews.microsoft.com