If you are sure that the .dat file is PDF and want to open it as a PDF, right-click on the .dat file and select Open with. Then, you will see the list of programs to open with.

DAT files sometimes contain configuration information or other data that more advanced users can modify to change a program's behavior. Use a generic text editor to edit the contents of a DAT file.

Spread the loveOpening DAT files in Windows 11 can be a bit of a task if you haven’t done it before. DAT files are data files that contain information, typically in a binary format, used by specific ...