How to open .DAT_OLD file extension?

If you cannot open a new file that has been saved in the .DAT_OLD format you need to download the appropriate software. The manufacturer of .DAT_OLD files is Mojang; .DAT_OLD files belong to the Game Files category. After downloading the application from the list available on our website just run an unknown file, and as the default set the newly installed application supporting the .DAT_OLD files. Activities performed in the order described should solve the problems with all the files in the .DAT_OLD format.

• What is .DAT_OLD file?
• How to open .DAT_OLD file?
• What is .DAT_OLD file?