To delete Windows Cloud sync settings and data in your Microsoft account, you can follow these steps:
Open the Start menu and click on the "Settings" icon (gear icon).
In the Settings window, click on the "Accounts" category.
In the left-hand menu, click on the "Email & accounts" option.
Under the "Accounts used by other apps" section, click on the Microsoft account that you want to delete the sync settings and data for.
In the Microsoft account settings, click on the "Manage" button.
In the Manage Microsoft account window, click on the "Delete account from this device" button.
In the confirmation window, click on the "Delete" button to confirm that you want to delete the Microsoft account from this device.
Note: This process will delete the Microsoft account and all associated sync settings and data from your device. If you want to keep using the Microsoft account on this device, you will need to sign in again and set up the sync settings.
If you want to delete the sync settings and data for a specific app, you can follow these steps:
Open the Start menu and click on the "Settings" icon (gear icon).
In the Settings window, click on the "Accounts" category.
In the left-hand menu, click on the "Email & accounts" option.
Under the "Accounts used by other apps" section, click on the Microsoft account that you want to delete the sync settings and data for.
In the Microsoft account settings, click on the app that you want to delete the sync settings and data for.
In the app settings, click on the "Clear" button to delete the sync settings and data for the app.
Note: This process will delete the sync settings and data for the specific app only. Other apps and sync settings will remain unaffected.