Hello, I have DirectAdmin panel and it can only extract the tar.gz compressed file type only , so do you know any software can compress file in .tar.gz format ???
See http://forums.digitalpoint.com/showthread.php?t=232440 7-Zip for windows allows you to create a tar archive and gzip a file but not both at the same time. You need to use the tar method first and the use the GZip method. If your on linux http://www.linux.com/articles/113552