It exports Mirror's Edge: Catalyst language subtitles to excel file and lets you import back that edited excel file.

-export [Game Directory] [Language shortcode]
example : -export "C:\Games\Mirrors Edge" de

-import [Game Directory] [Language shortcode] [Excel File Location]
example : -import "C:\Games\Mirrors Edge" de "C:\Users\User\Desktop\Translation\de.xlsl"

Export : Program must locate "[Language shortcode].toc" file inside "[Game Directory]\Patch" for extraction.
After that it creates excel file which contains subtitles of that language at program location.

Import : After editing subtitle file, program must locate corresponding cas files inside "[Game Directory]\Patch" folder.
Then it creates backups of those files and writes new subtitles.

Language shortcodes: You must use language shortcodes of toc files, which is in loc folder.

This program mostly based on english language files. Encodings may differ in other language files. Game uses it's own byte dictionary for storing characters.
Program not in perfect state.

This program uses EPPlus for exporting excel file.