How to Import Websites Into iWeb
- 1). Navigate to the Application Support folder in your Macintosh hard drive. The Application Support folder is found in the Library folder.
- 2). Click on the "iWeb" folder and right-click on "domain.sites." In the drop-down menu that appears, select "Show Package Contents."
- 3). Locate the iWeb site file that is to be imported into iWeb. It will be labeled "domain.sites" or "domain.sites2." Right-click on the file and select "Show Package Contents." Select all of the files with "Command-A" and press "Command-C" to copy the files.
- 4). Paste the files into the "domain.sites" folder. It does not matter where you paste the files. When you open iWeb, the new website will be available to edit.
Source...