-scs (Set charset for list files) switch
Sets charset for list files.
Syntax
-scs{UTF-8 | WIN | DOS}
Default charset is UTF-8.
  - UTF-8
 
  - Unicode UTF-8 character set.
 
  - WIN
 
  - Default character set of Windows.
 
  - DOS
 
  - Default DOS (OEM) character set of Windows.
 
Example
7z a archive.7z @listfile.txt -scsWIN
compresses files from listfile.txt list, that contains 
list of files in default character set of Windows.
Commands that can be used with this switch
  a (Add),
  u (Update)