I get an error that says Unable to unarchive (Error 1 - Operation not permitted.) The reason I believe I am getting this error is because the zip has a password on it and the archiver that mac uses doesn't seem to want to open it to let me enter the password. How do I get to open this. I was able to successfully open this file on a PC (which is how I realized what the problem may be). Any suggestions for the future. Thanks SOLVED IT. DOESN'T WORK WITH PASSWORDS. WILL USE THE UNARCHIVER WHICH WORKS FINE. SORRY FOR THE INCONVENIENCE!