
Rename your older save by removing the date in front of it and the period, so that it becomes the game's active save.This way you can always switch back to your most recent save if something goes wrong. "persistentgamedata1.dat" for Rebirth slot 1, "ab_persistentgamedata1.dat" for Afterbirth, "abp_persistentgamedata1.dat" for Afterbirth+) to a new name, such as "abp_persistentgamedata1 BACKUP.dat". Copy the backed up save that you picked out in Step 3, and copy it to the path in Step 4.will be some number it should be the only folder there, unless you have other people use your computer with their Steam accounts. Open a new window and browse to C:\Program Files (x86)\Steam\userdata\\250900\remote\, which is where Isaac keeps its current/active saves.Go back to the backups directory/folder pick a file with the date of the save you want to restore.Right-click the game in your Steam library, choose Properties, click the Updates tab, uncheck Enable Steam Cloud Sync at the bottom, click Close. Once you see that you have some backups, disable Steam Cloud for this game, so that your save-reverting isn't overwritten by the "cloud" copies of your save(s).You should see files with a timestamp, followed by "_persistentgamedataX.dat", where X is the save slot in the game (1, 2, or 3). By default these are located in C:\Users\\Documents\My Games\Binding of Isaac Afterbirth+\ (for AB+ if you do not own AB+, look for Rebirth or Afterbirth, depending on what you own). Locate and verify you have some backed up saves.If you want to revert your save, follow the below on your desktop computer.ĭisable Steam Cloud Sync for Isaac, locate the backup saves Isaac creates in My Docs -> My Games, pick a backup to restore, manually backup your current save, overwrite your current game save with the backup, load Isaac up, verify your progress, re-enable Steam Cloud Sync. The specific locations will vary slightly depending if you're on Rebirth, Afterbirth, or Afterbirth+, but the steps will be the same. You can use those local backups to get back to where you were.
