Getting strange errors when trying to copy an RTFD package? Try looking inside it, to see if it has developed recursive structure, like Russian dolls.
Is it worth entering author name, title, keywords and so on in a document’s Properties?
What are the differences, what can you do with each of the two formats, and when should you use them?
Apple’s attitude to document metadata remains ambivalent. But macOS does offer good support for extended attributes to pass through iCloud, if you know how to access it.
How to convert the text content of text, HTML, RTF, Word .doc and .docx, Webarchive, and other files, for free, using a simple command tool.
One of the Finder’s grand illusions, these are standard documents actually composed of a hierarchy of files and folders. Here are some details of common packages.