One time I had to consolidate a late family members personal files spread across several types of media which ended up totalling several TBs. None of it was org

One time I had to consolidate a late family members personal files spread across several types of media which ended up totalling several TBs. None of it was organized, so there were duplicates everywhere. Probably only 20% of the data was non-duplicated stuff I genuinely wanted to keep.