Showing File Name Extensions on Windows 10/11¶
By default, Microsoft Windows 10 and 11 do not show file extensions for known file types. This can result in problems when you need to rename files.
Instructions for Windows 10:¶
- Open a new File Explorer window.
- Switch to the View tab/ribbon.
- On this tab, if the
File name extensions
checkbox is not ticked, put a check/tick mark in it by clicking it.
Instructions for Windows 11:¶
- Open a new File Explorer window.
- Click the
View
hamburger menu/dropdown menu. - Go to
Show
at the bottom and ensure thatFile name extensions
is ticked.