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Windows 🟡 Intermediate

Should You Enable Optional Diagnostic Data Sharing In Windows 11

Richard
Written by
Richard
Sep 5, 2026 6 min read
Should you enable optional diagnostic data sharing in Windows 11
Should you enable optional diagnostic data sharing in Windows 11

Optional diagnostic data sharing in Windows 11 sends extra information to Microsoft about how you use your apps, what websites you visit, and how your device performs. This setting goes beyond the basic required data, sharing crash dumps, inking data, and browsing history to help Microsoft fix bugs and build future updates.

⚡ Quick Answer

No, you do not need to enable optional diagnostic data sharing in Windows 11. Keeping this setting turned off protects your personal privacy by stopping Microsoft from collecting extra information about the websites you visit, how you use apps, and your typing habits.

You can turn this extra data collection on or off at any time in your Windows 11 privacy settings, depending on how much personal information you want to share with Microsoft.

Settings › Privacy › Diagnostics
Settings › Privacy › Diagnostics
  • Required diagnostic data: This is the basic information Microsoft needs to keep Windows secure, up-to-date, and running normally. It includes details about your device model, basic settings, and whether apps are running correctly. You cannot turn this level off if you want to use Windows normally.
  • Optional diagnostic data: This includes extra information about the websites you visit, how you use apps and features, and enhanced error reports. Microsoft does not need this data to keep your computer secure, but they use it to improve their products and fix tricky bugs.

When you ask about turning on data sharing in Windows 11 version 23H2, you are usually talking about optional diagnostic data. Optional diagnostic data is the second category of information that your computer automatically sends to Microsoft to help fix bugs and improve products. This specific type of information includes details about the websites you visit, how you use apps, and extra crash reports that go beyond the basic diagnostic data needed to keep your device secure.

What Does Optional Diagnostic Data Actually Include?

Optional diagnostic data includes extra information about your computer usage, such as enhanced error reports, app compatibility details, and website activity. When a program crashes, your computer might send a snapshot of its memory to help Microsoft fix the problem.

Here is a breakdown of what optional diagnostic data typically includes:

  • Enhanced error reports: If a program crashes, your computer might send a snapshot of what was happening in the computer’s memory at that exact second. This helps developers fix the bug in future updates.
  • Feature usage data: Microsoft learns which menus, settings, and built-in apps people use the most. If very few people use a specific feature, they might remove it in a later update to make the system simpler.
  • Inking and typing data: If you use a digital pen or type on the touch keyboard, Windows might collect snippets of what you write to improve handwriting and spell-check dictionaries.

For most everyday users, this data is sent quietly in the background without slowing down your internet connection or computer performance.

Pros and Cons of Enabling Optional Diagnostic Data

Deciding whether to turn on optional diagnostic data comes down to balancing your desire for privacy against your desire for a better software experience. Let us look at the advantages and disadvantages.

The Benefits

Sharing optional diagnostic data helps Microsoft spot rare bugs faster. If you experience a strange crash that very few other people experience, your diagnostic data might be the clue that helps engineers fix it. In the long run, this makes Windows more stable and reliable for everyone.

The Drawbacks

The main drawback of optional diagnostic data sharing is privacy. Even though Microsoft removes personal names and email addresses before looking at the information, some users feel uncomfortable sharing details about how they use their software and apps.

How to Check and Change Your Diagnostic Data Settings

You can check and change your diagnostic data settings by opening the Windows settings menu, clicking on Privacy & security, and choosing Diagnostics & feedback. From there, you can easily turn optional data sharing on or off with just a few clicks.

  1. Click the Start button on your taskbar and open the Settings app (the gear icon).
  2. In the left sidebar, click on Privacy & security.
  3. Click on Diagnostics & feedback in the main window.
  4. Look for the section called Optional diagnostic data.
  5. Click the toggle switch to turn it on or off based on your personal preference.
Taskbar
Taskbar

Changes take effect immediately. You do not need to restart your computer.

Other Important Privacy Settings to Review in 🪟 Windows 11

Diagnostic data sharing is only one part of the privacy puzzle in Windows 11. If you want to lock down your computer and keep your personal information private, you should review a few other key areas.

The Advertising ID

The advertising ID is a unique code that Windows creates for your user account so apps can track your habits and show you personalized ads. You can easily turn off this targeted advertising feature in your privacy settings if you prefer more privacy.

  1. Open the Settings app from your Start menu.
  2. Click on Privacy & security in the sidebar.
  3. Click on General.
  4. Turn off the toggle switch next to Let apps use my advertising ID to show you ads based on your app activity.
Settings
Settings

Location Tracking

Location tracking in Windows 11 allows apps to know where you are to show local weather, maps, and store listings. You can keep your physical location private by turning off location services completely or by changing permissions for individual apps in your settings.

  1. Open the Settings app.
  2. Navigate to Privacy & security and then click Location.
  3. Turn the main Location services toggle to Off, or scroll down to control permissions for individual apps.

Activity History

Activity history is a Windows feature that keeps track of the websites you visit, the documents you open, and the apps you use to help you pick up where you left off. You can turn this setting off if you share your computer or want a clean slate.

  1. Open the Settings app.
  2. Go to Privacy & security and select Activity history.
  3. Uncheck the box or toggle off the setting that stores your activity history on this device.

Managing AI Features and Copilot in 🪟 Windows 11

Managing AI features and Microsoft Copilot in Windows 11 involves using your settings menu to remove these smart assistants from your taskbar or disable them entirely if you do not want them processing your data and giving you suggestions.

If you do not use Copilot or AI assistants, you can remove them from your taskbar or disable them entirely:

Copilot
Copilot
  1. Open the Settings app.
  2. Click on Personalization in the sidebar, then select Taskbar.
  3. Find the Copilot switch and turn it to Off.
Windows 11 settings menu for managing optional diagnostic data sharing
Windows 11 settings menu for managing optional diagnostic data sharing

Keeping these AI features turned off prevents your computer from sending conversational queries and screen interactions to Microsoft servers for AI processing.

Browser Privacy: Managing Microsoft Edge

Managing Microsoft Edge privacy settings helps you control how much data your web browser collects about your browsing habits. You can change your tracking prevention level and other privacy options by opening Edge settings and going to the privacy and services menu.

Open Microsoft Edge, click the three dots in the top-right corner, and go to Settings > Privacy, search, and services. From there, you can choose a tracking prevention level (Basic, Balanced, or Strict) that blocks trackers from following you across different websites. If you prefer a different browser entirely, you can download and use alternatives like Firefox or Google Chrome.

Summary

Diagnostic data helps Microsoft find and fix computer bugs, with required data keeping your system secure and optional data providing extra info for improvements. You can easily manage these settings and protect your privacy through the Windows settings menu.

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Tags: #Windows 11
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Richard

About the Author

Richard

Tech Writer, IT Professional

Richard, a writer for Geek Rewind, is a tech enthusiast who loves breaking down complex IT topics into simple, easy-to-understand ideas. With years of hands-on experience in system administration and enterprise IT operations, he’s developed a knack for offering practical tips and solutions. Richard aims to make technology more accessible and actionable. He's deeply committed to the Geek Rewind community, always ready to answer questions and engage in discussions.

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