If the "routine" in your file is sensitive code or data, these features are standard for RAR archives:
: RAR5 supports strong encryption, which is useful if your routine contains private scripts or credentials. Rar (txt) - CliffsNotes routine 11 - Copy.rar
If you are using , you have a built-in "solid" feature for handling this file: If the "routine" in your file is sensitive
While "routine 11 - Copy.rar" appears to be a specific user-created file name rather than a standard software component, the most critical "solid" feature of the format itself is Solid Compression . Core Feature: Solid Compression routine 11 - Copy.rar