Setup Office add-ins

Add-ins are not launched directly from the end user, rather they are loaded and executed by a host application (in this case Word and PowerPoint). For this reason is it a little more difficult to setup correctly an add-in than a stand-alone application.

Please refer to the following sections to learn how to troubleshoot four different conditions that may prevent your add-in operation:

Troubleshooting Office version

The first thing that you have to check is whether the add-in you are trying to run is supported by your Office version.

 The current version of our add-ins are compatible with every version of Office after 2007:

  • Office 2007
  • Office 2010
  • Office 2013
  • Office 2016
  • Office 2019
  • Office 365 (desktop version)

All our add-ins are available for 32 and 64 bit versions of Office. To determine if you have a 32 bit or 64 bit version, please proceed as follows:

  • Office 2007 does not have a 64 bit version.
  • On Office 2010, open the File menu of any Office application, and then select Help | About.
  • On Office 2013, 2016 and 2019, open the File menu, and then select Account from the list on the left. Under Product Information click on the button About.

In either case you will get a dialog with the full version information of your installed Office.

Check whether it is a 32 or 64 bit version, as shown on the image below:

Troubleshooting the security settings of Office

To enable third party add-ins, included those produced by MomSoft, you have to enable them on the Office Trust Center.

To do so, please proceed as follows:

  1. Open any Office application.
  2. On the File menu, select Options on the left list
  3. On the Options dialog, select the last item on the left, Trust Center
  4. Click on the button on the right named “Trust Center Settings…”
  5. On the Trust Center dialog, select Add-ins on the left
  6. Ensure that all three options are unchecked, as shown on the figure below.

Troubleshooting the installation of the add-in

The fastest way to ensure that the add-in is correctly installed on your system is to download the latest version from our website and re-install it. To prevent losing your current settings do not uninstall it.

Note that the most common cause of failure is that you don’t have enough permissions on your system to install programs. Please ask an administrator of your system to install the add-in for you

Troubleshooting the state of the addin

Office add-ins can be disabled or made inactive in a number of ways:

  • Add-ins disabled by Office: When an Office application crashes, it can disable the add-ins that were loaded when the crash happened, even if these add-ins were not responsible of the error.Usually you will get a notification from the Office application asking for permission to disable the add-in, but sometimes the application will simply disable it.
  • Add-ins made inactive by the user: End users can also manually disable add-ins on Office.

Whatever the cause, to enable an add-in, proceed as follows:

  1. Click the File button and select Options
  2. Click Add-ins
  3. Select COM Add-ins on the listbox next to Manage and click Go
  4. Look for the add-in you want to enable and check the checkbox next to it
  5. If the add-in you want to enable is not listed, please re-install it


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