1. Click on the toolbar: External Tools->External Tools Configurations
2. Select Program, mail New, and fill in the relevant configuration information
As shown above: a. Fill in the name 2. Select Windows Explorer 3. Select variable parameters 4. Click Apply
3. Connect, click Apply, switch to the Common option, select the "External Tools" check box, and click Apply to complete the setting
4. Select the file you want to open and click the icon or option to open it
