However, this option might be grayed out due to some unknown reason.

Heres how to do it:

Step 1.

Right-select thetaskbarand selectTask Managerfrom the context menu.

type explorer.exe

Under theProcessestab, locateFile Explorer, right-tap on it, and then selectEnd task.

Click onFilein the top left corner and chooseRun new task.

Typeexplorer.exein the dialog box and hitOKto restartFile Explorer.

hit Uninstall

Fix 2: Uninstall Recently Installed Windows Update

Step 1.

UnderPrograms, click onUninstall a program.

In the left pane, click onView installed updates.

How to Uninstall Quality Updates or Feature Updates?

Locate the most recent updates and uninstall it from your unit.

What are quality updates?

What are feature updates?

Hit Add

Why do you gotta uninstall them?

All the details you want are listed in this post.

In this case,creating a new user accountmight do the trick.

hit Options

To do so:

Step 1.

Typenetplwizand hitEnterto launchUser Account.

Therefore, you might need to reset File Explorer to its default controls.

To do so:

Move 1: Reset View options

Step 1.

PressWin+Eto launchFile Explorer> hitView> hitOptions.

Under theViewtab, click onReset Folders> confirm the action > hitRestore Defaults.

After File Explorer is reset, hitOKto save the changes.

Move 2: Reset File Explorer Cache

Step 1.

Right-select theStart iconand then selectWindows PowerShell (Admin).

In the command window, typekill -n explorerand hitEnter.

Final Words

What to do when the Group by option is grayed out in File Explorer?

You might be clear now.