WinTar can read and extract GNU tar, ustar, pax interchange format, cpio,Mtree, Zip, CAB and ISO9660 formats.

WinTar can create ustar, pax interchange format, cpio, shar formats, Mtree, CAB, Zip and 7Z archive formats.

WinTar can read and write POSIX formats: POSIX-standard formats, including ustar, pax interchange format, and the POSIX cpio formats.

WinTar supports pax interchange format: Pax interchange format is really an extended tar format. WinTar eliminates almost all limitations of historic tar formats and provides a standard method for incorporating vendor-specific extensions.

WinTar supports of Gzip, Bzip2, Unix like Compress (LZW) compression algorithms and None compression method.

WinTar supports creating and extracting Zip, 7Z and Windows CAB archive formats, compressed or non-compressed.

WinTar can creae/extract single compression files, including Gzip, Bzip2, compress(LZW), LZMA and Huffman coding files.

When reading archive files, WinTar can automatically detect archive formats and its compression method.

WinTar is full integrated with windos shell (Windows explorer). When right click files or folders in windows explorer, WinTar intelligently add menu items to the popup menu. If select one of the WinTar items, the Windows Explorer will start WinTar and execute the menu item's operation.

When viewing a archive file, if there are image files in the archive, WinTar can Thumbnail and priview these image files in File List pane window and the Preview pane window.

When create archive or extract files from archive, WinTar can log the operations in the Log pane window.

The Quich Tasks pane lists some often used commands, users can quickly perform some main commands on it.