The Save Data Transfer App CIA (CTR Importable Archive) file format is a proprietary format used by Nintendo for distributing and installing content on the Nintendo 3DS console. The CIA file format is used to package and install the Save Data Transfer App on the console.
The Save Data Transfer App CIA (CTR Importable Archive) file format is a proprietary format used by Nintendo for distributing and installing content on the Nintendo 3DS console. The CIA file format is used to package and install the Save Data Transfer App on the console.