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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:

  1. Open a new File Explorer window.
  2. Switch to the View tab/ribbon.
  3. 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:

  1. Open a new File Explorer window.
  2. Click the View hamburger menu/dropdown menu.
  3. Go to Show at the bottom and ensure that File name extensions is ticked.

Visual for the above instructions