t (Test integrity of archive) command
Tests archive files.
7z t archive.zip *.doc -r
tests *.doc files in archive archive.zip.
7-Zip doesn't use the system wildcard parser. 7-Zip doesn't follow the archaic rule by which *.* means any file. 7-Zip treats *.* as matching the name of any file that has an extension. To process all files, you must use a * wildcard.