Question

The extensions can be made hidden And
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Answer 1

Issue:

How to turn on file extensions in Windows to know the exact type of files.

Solution:

To make the file extensions visible in Windows:

Windows 8 and 10:

Open File Explorer (open any folder).

Click the View tab.

Select "File name extensions."

Optionally, you can enable Hidden items.

File extensions will now be visible.

User-added image

Windows 7:

In the Start menu search, type folder options.

In the Folder Options window, click the View tab.

Remove the check from "Hide extensions for known file types."

Click OK.

Note: This same process can be done in Windows 10, searching the Start menu for file explorer options. As an additional alternative, Folder Options can be accessed through the Control Panel.