File compression

Daniel Drijard <[email protected]> Fri, 20 Apr 2018 17:19:17 +0000
Newsgroups gmane.comp.lang.realbasic.user
Message-ID <[email protected]>
   I use an iMac under system OSX 10.12.6 (SIERRA)

   I exchange with a friend files/folders of sizes of the order of 10/30 MB. They get compressed out of my will and my friend needs sometimes to use The Unarchiver to decompress them. They get compressed by my Mail system in a different .zip format (.cpgz). 2-clicking them generates a new file with extension .zip. Endless----
   This decompressor does not seem easy to use (2 useless dialogs before a plausible one).
   My Mail system decides the compression, but if I start with Stuffit I get the same thing.
   Thus what are the rules/decisions of this compression ?

Cordially
Daniel

Daniel Drijard
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