If the game says "No Save Data Found" after conversion, the file might be the wrong size. Ensure the output is exactly 128KB.
This format is primarily associated with the Bleem! emulator or Sony’s own PlayStation ecosystem (including the PS3 and PSP virtual memory cards). In some cases, specialized hardware like the DexDrive also uses variations of the .MCD extension. Why Convert Your Save Files? mcr to mcd converter
Ensure the save blocks look correct and aren't displayed as "Broken" or "Unknown." If the game says "No Save Data Found"
Load the new .MCD file into your target emulator or device to ensure the game recognizes the save data. Troubleshooting Common Issues mcr to mcd converter