Remove the Cortana app (Microsoft.549981C3F5F10) from Windows
Short answer
UpdatedCortana shipped as a separate Store app, with the package name Microsoft.549981C3F5F10, before Microsoft retired it. This tweak removes that package for all users where it is still present. It removes 1 app package, Microsoft.549981C3F5F10 among them.
What it does
Cortana shipped as a separate Store app, with the package name Microsoft.549981C3F5F10, before Microsoft retired it. This tweak removes that package for all users where it is still present.
In the app the switch is called "Remove Cortana (App)", described there as: Removes legacy Cortana UWP package (if present).
When it helps, and when it hurts
When it helps
- Removing the leftover app and its startup entry on Windows 10 and early Windows 11 installs.
When it hurts
- Nothing of note. Microsoft has ended support for Cortana on Windows.
What it writes
Exactly what the switch changes, read from the app's source. Switching it off is what the app writes when you turn the tweak off again.
App packages it removes, for all users:
Microsoft.549981C3F5F10*
How to undo it
In the app: One-way
Switching it off doesn't reinstall the app.
This tweak is one-way in the app: switching it off does not put things back. Switching it off doesn't reinstall the app.
Changing several settings at once? The app's Make a restore point button, on every plan, makes a Windows restore point before you start.
Verdict
Safe. Recent Windows versions no longer include the app at all.
Questions
- What does the "Remove Cortana (App)" tweak change in Windows?
- It removes 1 app package, Microsoft.549981C3F5F10 among them.
- Is "Remove Cortana (App)" safe to switch on?
- Safe. Recent Windows versions no longer include the app at all. The main cost: Nothing of note. Microsoft has ended support for Cortana on Windows.
- How do I undo it?
- In the app this one is one-way. Switching it off doesn't reinstall the app.
- Is "Remove Cortana (App)" free in Frozen Tweaks?
- It is part of Frozen Pro and Elite. You can also make the change by hand with the values on this page.
In the app
- Switch
- Remove Cortana (App)
- Category
- Debloat
- Plan
- Pro
- Undo
- One-way
Related guides
- Windows 11 Gaming Optimization: What Still Works in 2026An honest audit of Windows 11 gaming tweaks: which settings still measurably help in 2026, which are placebo, and which quietly cost you security.8 min read
- Low-End PC Gaming Optimization: Getting Playable Frame RatesWhat actually works on a weak PC, in order, including the one upgrade that beats every software tweak combined, and honest limits on what tuning can do.7 min read
More tweak explainers
- Microsoft News appMicrosoft News is the preinstalled MSN news reader app. What the tweak changes, when it helps, when it hurts and how to undo it.2 min read
- Uninstall OneDriveThis closes OneDrive, runs its own uninstaller and removes its leftover scheduled tasks and startup entries. What it changes, when it hurts, and how to undo it.2 min read
- Feedback promptsWindows asks now and then how you like a feature. What the tweak changes, when it helps, when it hurts and how to undo it.2 min read
In the app
- Category
- Debloat
- Plan
- Pro
- Undo
- One-way
Frozen Tweaks
Free for Windows 10 and 11
58 tweaks free, each with an undo switch. Never edits game files.
v2.0.0 · 6.4 MB · Windows 10 and 11, 64-bit · free account, no payment details
Or type frozentweaks.com on your PC.

The free Windows app for competitive games.
58 tweaks free, each with an undo switch. Never edits game files.
v2.0.0 · 6.4 MB · Windows 10 and 11, 64-bit · free account, no payment details
Frozen Tweaks runs on Windows. Send the link to your PC and download it there.
Or type frozentweaks.com on your PC.
