The Zip Files Action fully supports Unicode file names, large archives, and can split an archive into custom-sized volumes. Unicode filename support allows for easily compressing files whose names contain symbols from non-western text (e.g., Chinese glyphs, Cyrillic characters, etc.).
Large archive support allows for overcoming the limitations of older .zip file formats (such as the maximum 4 GB uncompressed file size, compressed file size, and total file size, as well as the maximum number of files in an archive). With large archive support enabled, it is possible to compress a virtually unlimited number of very large files.
Splitting an archive into volumes is useful for storing an archive on multiple media, such as CDs, DVDs, and flash drives.
| Advanced | Details |
|---|---|
| Unicode filenames | Unicode filename support allows for compressing files with non-western characters in their names. |
| Large archive support | Allows you to compress large files and to create archives containing vast amounts of files with a virtually unlimited size. If the Large archive support option is enabled, the Zip archive will not be compatible with applications that only support older Zip specification versions. However, unlike the legacy format, large archives are not limited to 2 GB in size. |
| Split archive into volumes | Automatically splits the archive into multiple custom-sized volumes (the volume size can vary from 65,536 to 2,147,483,647 bytes) to store large archives on multiple smaller media, or to more easily recover from failure when sending archives over the internet. Only the Zip format supports splitting an archive into volumes. |
| Size units |  Set file size limits in any preferred format—bytes, kilobytes, megabytes, gigabytes, or terabytes. |
Notes
- Unicode filenames are supported only by the Zip format. Gzip and Bzip2 archives do not contain filenames at all. The Tar file format supports archiving files with the character set of the Windows regional settings.
- If the Large archive support option is not enabled, the Zip archive is compatible with applications that only support older Zip specification versions. As a drawback, the archive size is limited to 2 GB.
- Tar file format supports archive sizes up to 8 GB or more.
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