How to Force Windows 10 to Display File Extensions in File Explorer

1 – Press the Windows+E key combination to launch File Explorer.

2 – Select the View tab.

3 – Click Options (located at the top right-hand side of the window).

4 – Click Change folder and search options.

5 – Select the View tab.

6 – Uncheck the box beside Hide extensions for known file types.

7 – Click Apply, then click Ok.