Win7 Ultimate can not find the file content how to do

            After the download of win7 Ultimate, many people will encounter such a problem in the process of using, when searching for excel, word and other file content, the search will stop automatically, can not find anything, only can search more than txt The content in text format. What should I do at this time? Let's take a look at the solution.
1. Click on the “WIN+R” key combination to open the “Run” window, enter the “regedit” character in it, click the Enter key, and the Registry Editor will open;
2, in the registry editor, click to open the HKEY--_LOCAL--_MACHINE\\--SYSTEM\\--CurrentControlSet\\--Control\\--ContentIndex tab;
3, then in the right window Look inside, find the FilterFilesWithUnknownExtensions subkey and double click to change its key value to 1 and ok.
When the win7 system can't search the file content, everyone can try it according to the method described above, usually it can be solved once. If you still can't solve it, you can go online to conduct related queries. I hope the above content can help everyone.