Office program crashes caused by Btmofficea.dll or Btmoffice.dll

Original KB number:   2849035

If you have the SendToBluetooth add-in installed, your Office programs might be crashing due to an incompatibility issue between the add-in and other Microsoft Office programs.

Use the Event Viewer to check to see if the add-in is the cause of your Office programs crashing

  1. Open the Event Viewer.

    • For Windows 8

      1. From the Start screen, type View event logs in the search box, and tap or click Settings.
      2. Tap or click View event logs.
    • For Windows 7 and Windows Vista

      1. Click Start.
      2. In the Search box, type Event Viewer, and then, in the list of results, double-click Event Viewer.
    • For Windows XP

      1. Click Start > Control Panel > Performance and Maintenance, and then click Administrative Tools, and then double-click Computer Management.
      2. In the console tree, expand Event Viewer.
  2. Now, check for the following events:

    • Event ID: 1000

      Application Name: Winword.exe
      Application Version: 15.0.4481.1508
      Module Name: Btmofficea.dll
      Module Version:
      Offset: 0000000000009e9a

    • Event ID: 1000

      Application Name: Excel.exe
      Application Version: 14.0.6117.5003
      Module Name: Btmoffice.dll
      Module Version:
      Offset: 0000913e

Manually disable the SendToBluetooth add-in


This article contains information about how to modify the registry. Make sure that you back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, see How to back up and restore the registry in Windows.


Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.


Before you start the steps below, make sure you close all of your Office programs.

  1. Open the Registry Editor, here's how:

    • For Windows 8

      Go to your Desktop, press the Windows key + X and click Run. Type regedit in the Open box, and then press Enter.

    • For Windows 7 and Windows Vista

      1. Click Start and type regedit in the Start Search box, and then press Enter.
      2. If you are prompted for an administrator password or for confirmation, type the password, or click Allow.
    • For Windows XP

      Click Start, click Run, type regedit, and then click OK.

  2. Locate and select the following registry key, based on the 'bitness' of your Office and Windows installations:

    • 32-bit Office plus 32-bit Windows:

      HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\<Office program name>\Addins\ btmoffice.Connect

    • 64-bit Office plus 64-bit Windows:

      HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Office\<Office program name>\Addins\ btmoffice.Connect

    • 32-bit Office plus 64-bit Windows:

      HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Office\<Office program name>\Addins\ btmoffice.Connect

  3. Right-click the LoadBehavior value and then click Modify.

  4. Change the Value Data to 0, and then click OK.

  5. Close Registry Editor.

  6. Start your Office program that was crashing to determine if the registry change has improved the stability of the program.

More information

Third-party information disclaimer

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

Below is some additional information related to the SendToBluetooth add-in.

Information Details
Company Name Intel Corporation
File Description Office Bluetooth integration
File Name C:\Program Files (x86)\Intel\Bluetooth\btmofficea.dll
Friendly Name Send to Bluetooth
InprocServer32 C:\Program Files (x86)\Intel\Bluetooth\btmofficea.dll
Internal Name btmoffice.dll
Legal Copyright Copyright 2011 Motorola Solutions, Inc.
Original Filename btmoffice.dll