backup restore

I have created a backup of files and folders and of system in Windows 7 using the built-in backup program. How can I restore only a few selected files without restoring all. I note they are zip files so i can't identify which files i want to restore.
Thanks
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mblaine

Windows Explorer will let you browse zip files as if they are folders. You can see whats inside before you unzip them. You also have the option to select which files you want and copy them to where ever you want without extracting all the files from each zip.

Winzip, Winrar, 7zip are other programs that lets you do more than view the contents of the zip files.

I use a file manager called Total Commander that has built in compression utilities.