Editing StuffIt (section)

===Duplicate Folding===
{{Main|Data deduplication}}
Duplicate Folding is a feature which saves even more space by only keeping one copy of a duplicate file in an archive.
<ref>{{cite web |url=http://my.smithmicro.com/stuffitcompression/sitvszipdifference.html |title=StuffIt compared to Zip |access-date=2011-08-15 |url-status=dead |archive-url=https://web.archive.org/web/20110831062823/http://my.smithmicro.com/stuffitcompression/sitvszipdifference.html |archive-date=2011-08-31 }}</ref><ref>{{cite web|url=https://tidbits.com/2008/09/17/stuffit-deluxe-2009-keeps-evolving-after-20-years/|title=StuffIt Deluxe 2009 Keeps Evolving After 20 Years|date=17 September 2008|website=TidBITS}}</ref><ref>{{cite web|url=http://www.andolaurina.com/?p=683|title=Review: StuffIt Deluxe 2010|date=30 January 2010}}</ref><ref>{{cite web|url=https://www.businesswire.com/news/home/20080917005291/en/StuffIt---Premier-Compression-Solution-Celebrates-20th|title=StuffIt - The Premier Compression Solution Celebrates Its 20th Anniversary with the Launch of StuffIt Deluxe 2009 for the Mac|date=17 September 2008|website=www.businesswire.com}}</ref>