Since you cannot remove datasets, what is the recommended workflow for cases where you get updated files (with the same name) with new/more data and you want to replace existing datasets? Typically, you get a first delivery (preliminary data), then after some time you get official datasets and want to replace the preliminary datasets. Maybe you get some offical files now, and some later. Just using Mosaic Datasets, I would use windows copy to replace the old files with the new files and then run the Synchronize tool. Regards Kjetil
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