Usually solving problems with DAT file is simple – just install proper software and open the file. Read the guide and open DAT file now!
.DAT files are created automatically by the application to ensure proper operation of the software. They are usually not opened by users because they contain data saved in binary or text format that affects the stability of the program associated with it - interfering with the indicated files may result in the application malfunctioning.
There could be multiple reasons for which the system does not support given file. In the case of DAT extension, it is probable that none of the installed programs support given file type. Therefore, user should undertake the following steps
If an application that supports DAT files is installed on user’s system, but is not used to open such files by default, right-click on the file icon and choose "Open with" option from the menu. Next, select the proper application and check the "Always use the selected application to open this kind of files" box. The system will store this information in its registry and use the selected program to open files with DAT extension by default.
For Mac OS users the procedure is analogous – open the file menu by right-clicking on the DAT file and choose "Information" option and select "Open with program" option. From the submenu select an application and click on "Change all" button.
Inability to open DAT files may also be related to the lack of any application that supports given file being installed on the system. Should that be the case, user needs to download and install one of the following applications. Once installed, the system will automatically associate newly installed application with DAT files. If this step fails, see step 1.
Sometimes, although relatively rarely, steps 1 and 2 might not lead to expected results. There can be several reasons for such situation to occur: