The reason why the bai hyperlink of the WORD document cannot be opened is that the document was changed to the default by default after the hyperlink was inserted into the document.
The specific solution steps are as follows:
1. First, press the two keys as shown in the figure to open the run at the same time.
2. In the pop-up run dialog box, enter [regedit], and click OK to open the registry editor.
3. Enter the registry editor and enter the [HKEY_CURRENT_USER\Software\Classes.html] item.
4. Then you can see a default data on the right, the value of which is changed to the default by the browser.
5. Right-click the default value, select change data, change its value to [htmlfile], and click OK.
Just restart the office.