Which of the following tools is used to locate lost files and partitions to restore data from a formatted, damaged, or lost partition in Windows and Apple Macintosh computers?

Easy-Undelete is a Windows-only utility focused on recovering recently deleted files from intact partitions and does not specialize in locating lost or damaged partitions across multiple operating systems.

File Scavenger is a Windows-exclusive partition recovery and file undelete tool and has no support for Apple Macintosh computers.

Recover4all Professional targets Windows environments for deleted file recovery and lacks the cross-platform support for Apple Macintosh systems specified in the question.

VirtualLab supports data recovery on both Windows and Apple Macintosh platforms and is specifically designed to locate lost files and partitions, recovering data from formatted drives, corrupted filesystems, and deleted partitions - matching all the conditions described in the question stem.