Unknown file not open? The express train is easy to handle

Finally downloaded to the right of the resources, when you double-click Open, there is a prompt that Windows cannot open files with extension xxx (where xxx is the file extension, the same below), or simply pops up the Open With dialog box, allowing us to choose which program to use to open this file.

The reason for this is simple: the system does not have the appropriate software installed. In general, to solve this problem, we need to search in the browser with "XXX open" for the keyword, and after figuring out the software needed to open the file in this format, then go to the download and install the appropriate software (see Figure 1).

Search for keywords in the browser with "XXX open"

In fact, to open such a file is completely unnecessary trouble, if your system installed Express flashget This old download tool, use it to provide "unknown file software Recommendation" function, can easily solve this problem.

To start the Express, click the "tools → unknown file software Recommendation" in the menu bar of its main interface, open the Express File Association Options dialog box, check the "open unknown type of file using the Express" item, and click OK (Figure 2).

Express File Association Options

When you open the file later, the express train automatically searches for the program that opens the file and displays it in the list in the Open With dialog box, and all we have to do is click the Install button to install it, which is very handy (Figure 3).

Open With Dialog box