Epsxe000.mcr [PLUS]

You can have as many .mcr files as you want. Swap them by going to Config > Memory Cards in ePSXe and selecting a different file for Slot 1. This is perfect for organizing saves by genre, game type, or sharing saves online.

When you save your game inside a PS1 game running on ePSXe, the emulator does not save to your physical hard drive in a standard document format. Instead, it writes the save data into this .mcr file, mimicking exactly how a physical PlayStation console writes data to a physical plastic memory card.

Simply copy epsxe000.mcr to a cloud folder (Google Drive, Dropbox) or an external drive. To restore, paste it back and overwrite the existing file—but ensure ePSXe is closed when you do so. epsxe000.mcr

The location depends on your operating system and how you configured ePSXe.

Because .mcr is a widely adopted raw format, you can use epsxe000.mcr with other PS1 emulators like PCSX-Reloaded, RetroArch (with the PCSX-ReARMed core), or even convert it for use on original PlayStation hardware via a device like the MemCard Pro 2. You can have as many

Cause: New version may look in a different folder or use a different card slot.

Fix: Copy your old epsxe000.mcr into the new memcards folder and reconfigure the memory card path in Config → Memory Card. When you save your game inside a PS1

The file epsxe000.mcr is a binary artifact representing a specific moment in the history of digital preservation and console emulation. This paper examines its technical structure as a PlayStation 1 memory card image for the ePSXe emulator, its role in the democratization of retro gaming, and the challenges it poses for long-term digital archiving.