This article will cover the various steps you can perform when you are having issues with Microsoft Office Files not auto-locking when edited. Please note that just opening an Office document will not auto-lock it, you need to edit part of the document before it will perform this function.


  • A Workplace Customer
  • Microsoft Office Installed
  • Microsoft .NET 4.0 or later installed
  • Workplace Desktop Agent Installed
  • Windows 7 or later

The Process

If Microsoft Office auto-locking stops functioning or you receive an error referencing "Sync4Office", follow these steps to reinstall the Sync4Office plugin:

  • Quit all Microsoft Office Applications
  • Open an Internet Explorer browser window (Internet Explorer is required)
  • In the address bar enter awp:debug
  • Press Enter/Return
  • Click Allow
  • The Debug tab within Workplace Desktop will be displayed
  • Click the Uninstall Office Plugin button to initiate the uninstall
  • Go to  > Preferences... > Preferences button > Workplace Sync
  • Click Install Microsoft Office Support to re-install the plugin
  • Shutdown and restart Workplace Desktop Agent

If you are still having issues:

  • Download the latest version of Workplace Desktop Agent. This can be downloaded from Workplace Online on your Dashboard
  • Open a Microsoft Office application (Word, Excel or PowerPoint)
  • From the menu bar, go to File > Options > Add-ins
  • From the Manage drop-down list, select COM Add-ins

  • Click the Go button
  • Locate and deselect the entry Soonr4Office.Connect. Ensure Sync File Lock Plugin is selected

  • Click OK to exit the Manage window
  • Click OK to exit the Options window
  • Quit and relaunch all Microsoft Office applications

You can also run the following:

  • Download and run the Microsoft Office Configuration Analyzer Tool 2.0
  • Select Microsoft Word, Excel and PowerPoint
  • Click Scan
  • Click the Manage Scans tab
  • Select each report, one at a time, then select Save as and save the reports to a temporary location
  • Attach the reports, together with the Office Plugin logs (C:\Users\USERNAME\AppData\Local\Temp\Sync4Office), to a support ticket with a description of the symptoms being experienced