I have a document library (MOSS 2007) with Major versions, 5 versions, turned on.

I recently added a new column to the library - it happens to be a lookup from another List if that matters.

When I Edit Properties of an existing document, and add my new column data, I see a new Major Version created.

My Question: does this actually consume new space in the back end. So if I have a 100KB Word Document uploaded, and now add my column, from the Version History page it looks like there are now two 100KB-consuming versions of the document.

Or is it smart enough to not duplicate the actual document, but merely the new column meta-data?


1 Answer 1


It will create a new copy and thus consume more space. Sharepoint versioning is dumb in that regard, it doesn't store a diff, it stores a new copy of the document.

  • Thankfully it's a bit better in 2013 with shredded storage! Mar 27, 2013 at 9:36
  • Should be fun with 100mB+ cad files ^_^. PS: just to know, Eric, where did you find this info? MSDN or something more in-depth?
    – SPArcheon
    Mar 27, 2013 at 13:56
  • From first hand experience of using versioning in document libraries with metadata and looking at the version histores. Mar 27, 2013 at 15:33

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