How does the win7 system double-layer encryption of files?

How to set a double password for files in win7 32-bit system? Let's share it with everyone!

1. Xiaobian here takes a video file in the computer as an example. Let me tell you about it! First, let's right click on the video file and select Rename. The naming method is very simple. Anyway, the suffix name is not the same as the original suffix. For example, you can change it to txt, bat, Dl, etc., as long as it is not .mp4, OK. As shown in the following figure, the small series is modified to the dll format.

2, if the system out of the renaming of warning window, you just click & ldquo; a & rdquo; can be.

3, after the modification is completed, the video file before it becomes this way, no matter who it seems, this is not matter of a document, but can not open, should not someone go forced open, right? for the average person, to this point, it can be stopped, but if you want more privacy, then, here we walked!

4, right-click on the File, then choose to add to the compressed file, then it is very important, we need to add the password, which is the password required for decompression, after the setting is completed, the previous file will become a decompressed file, if you need to extract, you need just enter the password we set up, this count is double insurance of it?

These are the double-file encryption method, first floor, modify file attributes, The second layer, modify the password, so that it is safer after encryption.