Files with .dat_old extension can be backup from Minecraft game. You can restore dat_old files in Minecraft. You cannot convert backups to anything else, just recover and use again in game.
Programs...
Files with .dat_old extension can be backup from Minecraft game. You can restore dat_old files in Minecraft. You cannot convert backups to anything else, just recover and use again in game.
Programs compatible with .dat_old files are divided by operating system. Dat_old files can be found on all systems, but not all will properly support them.
Data in dat_old files are saved as in Game Files. The Minecraft Level.dat Backup Format was developed by Mojang and likely created in Minecraft.
To open dat_old file, an appropriate program supporting the format must be installed. If dat_old does not open, the file could be corrupted, links incorrect, program not fully installed, infected, or computer lacking resources.
The .dat_old file extension is a Game File type, created by Mojang and released by Markus Persson. This type can also be opened by 2 other programs. To fix issues opening it, double-click the icon. If it opens incorrectly or not at all, you likely need to associate dat_old with the right program.
Dat_old files save backup of level.dat, the main file saving Minecraft maps. It restores worlds if level.dat is corrupted. Dat_old is solely for Minecraft; it protects from lost progress. Since it just backs up the game, users often delete dat_old files.