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The error code even comes with the error message “Unable to expand filename.zip (Error 1 – Operation not permitted.”īut what triggers the error to appear? Well, there are many possible reasons. Some Mac OS users have also been complaining that they were unable to expand or unzip ZIP files on their computers because of this annoying error.Īccording to them, it surfaces whenever they double-click on a file they want to unzip. What Is Error 79 on Macs?Ĭannot unzip files on your Mac because of error 79? Relax. What is this error all about? Will it affect an app, folder, user account, or software on your Mac Catalina device? Read on. One of the most notorious errors associated with ZIP files on Macs is the error 79 – inappropriate file type or format. The only problem is that some Mac users encounter errors with it. ZIP extension to send email attachments that are larger than what your email provider allows for sending attachments without getting them rejected because they exceed the maximum attachment size limit.Īlthough the ZIP file format is popular on Windows devices, it is actually supported on Macs. This is because when you unzip file (or extract) all the contents from the compressed archive, they will be restored into their original individual folders for easy access. When you unzip files on your computer, it may look like one long list with different types of files in it. To create a zip file, you need an archive utility such as WinZip or 7-zip. About Outbyte, uninstall instructions, EULA, Privacy Policy.
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