box-sync-service.exe

Box Sync Service

CPU Usage

N/A

Memory

N/A

Location

N/A

Publisher

N/A

Risk

Moderate if misconfigured or tampered

Impact

Low

Mitigations

Keep Box Sync up to date, verify digital signatures, restrict network access to Box endpoints, and use reputable antivirus/EDR.

What is box-sync-service.exe?

Box Sync Service is the Windows background component that powers Box Sync by monitoring selected local folders and coordinating file uploads and downloads with Box Cloud. It runs with minimal UI, starts at login, and keeps your Box-stored files in sync across devices without requiring user interaction.

The service manages the Box Sync Agent, detects folder changes via file-system watchers, queues operations, and communicates with Box over HTTPS to apply updates. It stores metadata locally and collaborates with the box-sync.exe UI for progress and conflict resolution.

Is box-sync-service-exe Safe?

box-sync-service.exe is a legitimate component of Box Sync, published by Box, Inc., and is commonly installed in Program Files. When installed from Box's official site or enterprise deployments, it runs with limited privileges to perform synchronization tasks. Keep the software updated, verify digital signatures, and maintain current antivirus protection to minimize risk from tampering or counterfeit installers.

Is box-sync-service-exe a Virus?

While box-sync-service.exe is normally a legitimate Box product, malware can masquerade under the same filename. To confirm legitimacy, verify the executable is located in the Box install folder, check the digital signature from Box, compare the file hash against Box's published values, and run a current antivirus/EDR scan. If the path or signature is unexpected, investigate immediately.

How to Verify Legitimacy

Check File Location: Ensure the running process path is C:\\Program Files\\Box\\Box Sync\\box-sync-service.exe.
Verify Digital Signature: Open file properties and confirm the signer is Box, Inc. and that the certificate chain is valid.
Check File Hash: Compute SHA-256 for the executable and compare with Box's official hash published in support articles.
Scan for Malware: Run a full-system malware scan with up-to-date signatures and check Box Cloud status for synchronization anomalies.

Red Flags: Path outside the Box installation folder, unsigned or expired certificates, multiple copies of the binary in temporary locations, or suspicious parent processes.

Why is it Running?

Reasons it's running:

Continuous synchronization: Keeps local folders and Box Cloud equivalent by automatically uploading new/modified files and downloading changes from Box to the device.
Startup and auto-launch: Runs at system startup to catch changes immediately, ensuring folders stay in sync without manual starts.
Selective folder monitoring: Watches only configured sync folders to minimize unnecessary network traffic and CPU usage.
Conflict resolution: Detects conflicting edits and coordinates resolution rules to preserve user changes and prevent data loss.
Status reporting and queues: Maintains a local queue of pending operations and exposes progress through Box Sync UI and logs.

Can I Disable or Remove It?

Common Problems

Common Causes & Solutions

: Check internet connectivity, verify Box service status, and examine the sync queue in the Box Sync UI. Restart the Box Sync Service if necessary.
: Pause or cancel large transfers, review the number of files being processed, and update to the latest Box Sync version to fix leaks.
: Ensure the target folders are included in the sync list, confirm file size limits, and check for restricted file types or permissions.
: Review conflict prompts, choose appropriate versions, and ensure all devices are online with consistent Box account access.
: Check Windows Event Viewer for Box Sync Service errors, update the app, and verify that antivirus/firewall rules aren’t blocking it.
: Re-link the Box account in the Box Sync settings and perform a manual rescan of the sync folders.

Frequently Asked Questions

What is box-sync-service.exe and should I keep it running?

It is the background Windows service that powers Box Sync, keeping your local folders synchronized with Box Cloud. It is safe if installed from Box and signed.

Where is box-sync-service.exe installed on Windows?

Typically in C:\Program Files\Box\Box Sync\box-sync-service.exe; beware of spoofed locations if you did not install Box Sync.

How do I disable or stop box-sync-service.exe?

Use services.msc to stop the Box Sync Service and set Startup Type to Disabled, or uninstall Box Sync if you no longer need synchronization.

Why does box-sync-service.exe use CPU or memory?

During active synchronization or large transfers, the service will consume CPU and memory. This should subside after queues drain or with a version update.

Is Box Sync still needed after Box Drive?

Box Drive provides a newer method for cloud access, but Box Sync may still be used for legacy folder synchronization. Consider upgrading if recommended by Box support.

How can I update Box Sync to fix issues?

Check for Box updates via the Box application, run the installer to repair or update Box Sync, and ensure your OS has the latest patches.