How do I hide a file extension? How do I hide the file suffix on my computer?

The file extension is also known as a suffix, and this extension dates back to the DOS era, when the DOS naming of the files in the system was 8+3, that is, the previous file name can only have a maximum of 8 characters, and then add the next 3 extensions, such as (with a dot as the separator, the file name in front of it, and the extension in the back.

The usefulness of the extension is that it is easy to determine what type of file the file is, for example, through the following txt can be judged that the file is a notepad file, because each type of file corresponds to an extension, which is generally three characters.

However, the Windows XP system we use does not display extensions by default (to be precise, known type extensions), because it is easy to determine the type of file through icons under Windows.

Files that don't show extensions.

Displays the file with the extension.

As you can see from the comparison chart above, the difference between showing and hiding extensions, so how do you show and hide extensions?

Double-click the "My Computer" icon on the desktop with your mouse, and then click on the menu "Tools" - "Folder Options".

In the "View" section of the folder options, find the checkmark in front of "Hide extensions of known file types" and remove it.

Having said it for a long time, then what's the use of showing and hiding file extensions?

a.When it comes to modifying the extension, if you don't show the extension, how do you do it?

b.When the extension is displayed, it is easier and simpler to determine the file type.

c.Prevent others from maliciously modifying the extension, such as someone modifies the original **type file (jpg) into a text file (txt), this operation only needs to modify the extension, then you double-click on this file and it will open it in Notepad, but it is actually **file, Notepad opens of course shows garbled characters, etc.

Common extensions:

exe: executable program. It's the compiled binary.

htm html: a web page file.

jpg gif png: file.

zip rar: compressed file.

: A ** format file.

Are you an XP system, or a Win7 system?

Here's how:

Tools Ingredients: Mechanical Revolution S3 Pro, Windows 10, Folder.

3. In the folder options, we can set the way to browse the folder, we click the "View" tab at the top of the window to enter the file viewing settings.

4. Under the View tab, we find "Advanced Settings", and in the list of settings, we uncheck "Hide extensions of known file types".

5. After unchecking, we can click Apply or OK to confirm the implementation of our new settings, so that we can see that the file that originally did not have a suffix has a suffix.

6. After setting the file suffix not to be hidden, we can use the rename command to modify the format suffix of the file, so that we can directly modify the format of the file, so that we can convert the file format at any time.