R2.7z -

: A popular, easy-to-use alternative for Mac users.

To view or extract the draft article and files within , you can use several free tools: : A popular, easy-to-use alternative for Mac users

: The .7z format is an open-source archive format that uses LZMA compression , providing a higher compression ratio than standard ZIP files. If "R2" refers to a specific study (e

: Preliminary versions or "draft" releases of software tools. - Microsoft Community Hub

If "R2" refers to a specific study (e.g., a "Phase R2" trial or "Version R2" of a manuscript), it is likely hosted on a repository like , GitHub , or a journal's Supplementary Information section.

: If the archive contains R scripts, you may need specific packages like archive or 7zip to extract them directly within an R environment. If You Are Looking for a Specific Article

Does 7z compress better than zip? - Microsoft Community Hub