I've been using 7-zip, winrar and winzip, but so far none of these (even at best compression) have been able to compress any large file for example 2GB to something around 200MB, while, while downloading, I sometimes get a single rar or zip file at 100MB which when extracted (take about 20-30mins) gives an output file of around 1-2 GB
Anyone can suggest a tool which can help compress to such an extent?
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