I sent a .zip file to a friend with an iMac but he can't open it. It was created using PKZip on a Windows 7 PC, and it's Password protected. He's pretty technically inept so is there anything he needs to do to be able to access this file please?
IMac can’t unzip password protected PC zipped file
zip
Related Solutions
Archive Utility can be lightly configured. The easy way to do it is to open an archive file and as soon as you see a progress dialog, hit Command (⌘) + , in order to bring up the app preferences.
Otherwise, you can manually open the Archive Utility alone by browsing to /System/Library/CoreServices and opening Archive Utility.app. Afterwards, you can use the Archive Utility menu to get to the preferences, or again use Command (⌘) + , to open the app's preferences up.
I don't think the built-in decompression utility can unzip password protected files. However, The Unarchiver is the way to go for all things compression related on OS X anyway.
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Best Answer
macOS has built-in support for password protected Zip files, but if he encounters problems have him get The Unarchiver. It also does other kinds of file types.