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Does OS X Automatically Compress Files?

Does OS X automatically compress files? I am in a heated debate with someone. I transfered files from his ntfs drive on to my mac. Some where in between the file got compressed and a gz added to them. I have done massive file uploads to my mac before and I have never had this happened to the files I transfered. Can someone put this debate to rest please?

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iBoysoft author Vain Rowe

Vain Rowe

Answered on Thursday, August 24, 2023

Hi there, I'm glad to tell you that OS X doesn't compress files automatically. The 10.4.X Finder indeed has a contextual menu item for ZIP files, but it does not make GZIP (gz) archives. If you emailed the files, it's possible the email software automatically compressed the files. Moreover, it's also possible the file was already compressed but the .gz extension was not displayed until after the transfer.


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