WinMount supports adding comment to MOU and MOU SFX, supports browsing MOU, RAR, ZIP, 7Z comment.
1) Right-click files you want to be compressed, click "Compress to...";
2) pop-up the "Compress setting" dialog, set as you want, click "comment" tab, input characters in blank, click "ok".
1) Right-click a compressed archive, click "Browse";
2) Comment appears on the right-side of browser window, you can also click "Comment" on toolbar.