Hi everyone! Ok, after searching for any solution about works with 7Zip archives I found this interesting topic with several examples. And within several days I have written this UDF Main features: Over 27 functions! 7z, zip, gzip, bzip2, tar archive types support. Archive encrypt/decrypt support. Archive include/exclude support. Files include/exclude support. SFX archives support. Multivolume archives support. Archive checking support. Compressing method 0-9. 3 recursion method. Deleting files from archive. Updating archives files. Searching in the archive. DLL Call-back function (for using the 7-zip32.dll with your GUI) Retrieve the archive files date/time. Retrieve the archive files compressed/uncompressed size. Retrieve archives compressing ratio. Retrieve archives CRC. Retrieve the archive file count. And more... 7zip_udf.zip