You may search for files inside archives by their file names.
To search for files:
Click Open and select all the archives that may contain the file you are looking for.
Click Find on the toolbar, and enter the name of the file.
Click Find Now to begin the search.
To search your entire computer for files inside archives, make sure your Archive Places contain all the folders in your computer that contain archives. Right-click on the Archive Places and choose Open Shortcuts to open all the archives, and then search for files as described above.