1.   A precious archive file may turn out to be unreadable when you try to recover it.

2.   A precious archive file may turn out to be unreadable or be accidentally deleted.

3.   A ZIP file is an archive file, often consisting of several different files that have been compressed and packed into a single file with the .ZIP extension.

4.   More modern antivirus programs also can look inside ZIP archive files and scan macro viruses, too.