If you have downloaded a file named something like E,H.rar , you cannot open it like a regular folder. You need an "extractor" to unpack the contents.
RAR files can include "recovery records," which help fix the file if a tiny piece of data gets corrupted during the download. How to Use These Files Download E,H rar
This typically refers to a popular online gallery and community for manga and digital art. A file labeled with an "E" often signifies it was sourced from this specific platform. If you have downloaded a file named something like E,H