What is a dat_old file and how do I open a dat_old file?
DAT_OLD file extension is a backup file created by Minecraft, an open-ended 3D world construction game. It saves a backup of the level.dat file, which is used for saving maps that use Minecraft Alpha level format. It is used as a restore point in case the level.dat file becomes corrupted.
Relevant dat_old file links:How to open dat_old file on Youtube
How to open dat_old file on Wikipedia
How to open dat_old file on Microsoft.com