I have a vector layer with thousands of features and over ten columns (attributes). I would like to dissolve/merge features with identical attribute combinations and keep the attributes. I think it could be "singleparts to multiparts" but I can´t find this in the toolbox. In dissolve by attribute it is only possible for three attributes. I remember that I did it very easy one day...

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    I think the tool has been renamed to Promote to multipart. – Joseph Aug 23 at 11:03
  • You could create a field combining all the attribute you need and dissolve on this field – J.R Aug 23 at 11:26
  • thank you, I found the tool – oppia04 Aug 23 at 13:53

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