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Microsoft sync

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Recommendation

Depends

Can be disabled on a single gaming PC if you do not use settings sync and Windows Backup.

Leave the tasks enabled if you have several devices or you expect to restore settings after a reinstall.

Main effect
Disabling settings sync
FPS and memory
See the research

What changes

Section titled “What changes”

The tasks transfer Windows settings between devices and maintain a backup of Microsoft account settings: theme, language and regional settings, passwords (including Wi-Fi passwords), accessibility and other supported settings. According to the visible description in BoosterX, the tasks “handle synchronization if you are signed in with a Microsoft account in your Windows”. OneDrive files are not included in the sync. After disabling, the current PC stops sending and receiving settings changes; the copy already saved remains in the account.

Exceptions and differences

Section titled “Exceptions and differences”

How to verify the result

Section titled “How to verify the result”

Open “Settings” → “Accounts” → “Windows backup” (in Windows 10 — “Sync your settings”). Change the theme or wallpaper on this PC and wait a few minutes on a second device with the same account — the change will not appear.

How to change and revert

Section titled “How to change and revert”

Open “Optimization” → “Tasks” → “Microsoft ecosystem” → “Microsoft sync” and set the toggle to “Enabled”: BoosterX will disable the background tasks for syncing and backing up settings. Click “Apply” at the bottom of the page; if “Instant apply” is enabled, a separate button is not required. To revert, set the toggle to “Disabled” and apply the change again: BoosterX will return Windows to its default state with the tasks enabled.

Confirmation

Section titled “Confirmation”

Last checked: 2026-09-19.