> For the complete documentation index, see [llms.txt](https://chaoses-ib.gitbook.io/directory-opus/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://chaoses-ib.gitbook.io/directory-opus/manual/file_operations/creating_archives/add_to_archive_dialog/tar_gzip_options.md).

# TAR GZip Options

When using the [**Add to Archive**](/directory-opus/manual/file_operations/creating_archives/add_to_archive_dialog/tar_gzip_options.md) dialog to add files to a **.tgz** archive, the following options are available:

* **Compression level**: This lets you set the compression level used when adding the files to the archive. There are five compression levels available, ranging from *Fastest* (the quickest, but poorest compression level) to *Best* (which produces the highest level of compression but takes longer to archive).

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