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Pretty basic one here. Google borks out. I have a document library, and one of the columns is named "Copy Source". What does the data in the column mean?

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"Copy Source" (internal name is "_CopySource") field contains the URL of the source document. SharePoint sets this out of the box when moving a file through the UI, though it is settable programmatically too.

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Thanks for your reply. So this is only populated when moving/copying a file? –  sennett Apr 16 '12 at 0:10
Yes, to the best of my knowledge. The column is just a derivation. –  neo269 Apr 16 '12 at 4:54

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