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Opening and creating password-protected zip files in OS X #

As of 10.5, the Finder cannot open password-protected zip files. It simply returns the helpful message "Unable to unarchive 'filename' into 'Location'. (Error 1 - Operation not permitted)" as seen here:

You can, however, use the Terminal to both open and create encrypted zip files:

Unencrypt and extract: unzip secret.zip
Compress and encrypt: zip -re new.zip folder_of_secrets/

/mac | Jan 11, 2009

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