While compression may incur some extra processing on Dropbox's end, I'm guessing there's major benefits to be gained in terms of server/client bandwidth usage, download duration, etc.
I have tried from the web UI as well as by using a direct URL of the `/sh/dl/` format (I believe both invoke the same operation in the end), but both downloads end up in the above (store-only) zip format. Is there a way to force Dropbox to actually compress/deflate the content, when downloading a folder as a zip file? When I extract the zipfile and compress the content again (using a standard `zip -r` command), I get ~15% deflation (resulting file is 6564K, whereas the originally downloaded zip was 7623K - a ~14% overall reduction).
I'm not an expert but I believe this means that Dropbox is storing the zip content using STORE method (instead of actually compressing them, such as via DEFLATE algorithm). 7-Zip Download Download options: Windows 64-bit Windows 32-bit Windows ARM Portable Last updated: JanuDeveloper: 7-Zip License: Freeware OS: Windows File size: 1.4 MB. When I check a downloaded folder zip-file with `7z l ` (or the 7-Zip UI, or other zip tools like `unzip`), I see that each file's compressed size is the same as the original file size: ISO files are a common format used by Microsoft to distribute software through the MSDNAA program.
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