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					Originally Posted by Tanjamuse  Can you perhaps add an option where different percentages adds a letter or something? That way if I run it with different percentages it doesn't overwrite the tag. | 
	
 
I could, but that would greatly complicate automatic housekeeping that it does to remove orphan or obsolete Similarity Group ID Tags. 
A far better solution is for you to add a 2nd Similarity Group Custom Column, and use #1 some purposes, and #2 for other purposes.  You would have history that could easily be deleted via Bulk Metadata Edit when you are finished.
DaltonST