What is BCSSync.exe?

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the BCSSync.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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BCSSync.exe file information

Windows Task Manager with BCSSync
BCSSync.exe process in Windows Task Manager

The process known as Microsoft Office (version 2010 component) or Microsoft Office Professional Plus (version 2010) belongs to software Microsoft Office Professional Plus (version 2010) or Microsoft Office Shared (version 64-bit Setup) or Microsoft Office Professional or Microsoft Office Word (version 2010) or Microsoft Office Outlook (version 2010) or Microsoft Office Single Image by Microsoft (

Description: BCSSync.exe is not essential for Windows and will often cause problems. The BCSSync.exe file is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 91,520 bytes (67% of all occurrences), 89,184 bytes or 83,312 bytes. 
The program has a visible window. The process can be uninstalled in the Control Panel. BCSSync.exe is certified by a trustworthy company. The application starts when Windows starts (see Registry key: MACHINE\Run). BCSSync.exe is not a Windows system file. Therefore the technical security rating is 5% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you have any problems with BCSSync.exe, you may also uninstall the associated program (Start > Control Panel > Uninstall a Program > Microsoft Office Professional Plus 2010 or Microsoft Office Professional Plus) or turn to the software developer, Microsoft, for advice.

Recommended: Identify BCSSync.exe related errors

Important: Some malware camouflages itself as BCSSync.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the BCSSync.exe process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

Das diese Datei aktiviert sein sollte, um Office Outlook 2010, so hoffe ich, als Lizensierte Version zu bestätigen.
  Lutz Coldewey  
Nerviger, aber ungefärlicher prozess. Teil der Office 2010 Suite
BCSSync.exe (Business Connectivity Services) ist Teil des SharePoint-Servers 2010 und ist fürs automatische Cache-Aktualisieren und Synchronisieren von Daten zwischen Server und Client (Ihrem Computer). Wenn Sie SharePoint nicht benutzen, können Sie den Autostarteintrag löschen.
  Dr. Alexander Platz-Berg   (further information) (further information)

Summary: Average user rating of BCSSync.exe: based on 2 votes with 3 user comments. One user thinks it's probably harmless. One user thinks it's neither essential nor dangerous. One user is not sure about it.

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Best practices for resolving BCSSync issues

A clean and tidy computer is the key requirement for avoiding problems with BCSSync. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the BCSSync.exe process on your computer, the following programs have proven to be helpful: Security Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

BCSSync.exe [all]