The .mcr file extension stands for . In the world of ePSXe, epsxe000.mcr represents "Memory Card 1."
Run the emulator without a game (or select "Run BIOS") to access the classic PlayStation memory card management screen. MemcardRex: This is a popular third-party tool used to open
), and the emulator will "insert" a brand new, empty memory card for you. Are you still rocking your original PS1 saves? epsxe000.mcr
files. It allows you to see individual save blocks, edit them, and convert between different emulator formats. ePSXe Internal BIOS:
: Open epsxe000.mcr to see a list of all saved games. Are you still rocking your original PS1 saves
If you are moving from ePSXe to a more accurate emulator like , you will need to convert your .mcr file. Locate: Find your epsxe000.mcr file. Rename: Rename the file extension from .mcr to .srm .
For retro gamers, understanding how this file works, where it lives, and how to manage its strict capacity limits is essential to preventing lost progress. File Location and Directory Structure ePSXe Internal BIOS: : Open epsxe000
By default, ePSXe stores these files in a subfolder simply named
Sometimes a game will boot up and claim that no memory card is inserted in Slot 1.
Because .mcr is a raw data format, you cannot open it with standard text editors like Notepad. To view, delete, or extract individual game saves from the file, you need specialized tools. Method 1: Using the Built-In ePSXe BIOS Launch without loading a game ISO.
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.
