Quote:
Originally Posted by KevinH
Your macOS version is old and does not properly support the xz compression. A .txz (ie. .tar.xz) is not a zip archive. You need a more recent unarchive program. A free more recent one is called The Unarchiver available from the mac app store.
See this post for more info:
https://sigil-ebook.com/sigil/tips/#...z-or-txz-files |
It works! Thank you so much for your fast response. I'm able to open the program and start checking my epubs.