Having Problems With Your Mac OSX .Zip Files Becoming .CPGZ Files? Read On..

Just a very quick blog post that will hopefully save you a lot of time and frustration if you’re running Mac OSX and having trouble opening a .zip file. The symptoms: You download a .zip file, lets call it ‘downloads.zip’ and double click to open it as usual, just as you’ve done many times before, right?

Only this time, you don’t see an un-archived folder, you see either a duplicate named ‘downloads_2.zip’ or a file called ‘downloads.zip.cpgz’ So you double click again and you see the same thing, just another numbered suffix… Frustrating, yes? Our friend Google throws up no end of discussion threads of frustration and well meaning advice, but I spend hours following it all to no avail until a tiny comment buried deep in a thread got me the answer.

If you’re getting the symptoms above and you’re constantly seeing the stuck in the loop .cpgz suffix appearing, try right clicking on your original .zip file and take a look at the file size. If it’s an unfeasibly low 22kb as mine was, for example, then it’s obvious that you’ve got a duff download. Try getting a fresh copy.

So what’s happening is that someone at Apple has a sense of humour and instead of flagging up a fault and warning you that there’s nothing there, it packs it up as a .cpgz file. Very funny, guys, didn’t have anything else to do this evening….

Author: Neill Watson

A professional writer and photographer with a history of sales and marketing in the automotive, tourism and motorsport industry. Neill is the producer / director and digital media producer of Winward Media.

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