Outlook 2010
- Go to File > Options > Add-ins
- Select the type of add-in you would like to disable in the Manage drop down
- Click Go
- Uncheck the add-ins you want to disable
- Click OK
Outlook 2007
- Go to Tools > Trust Center > Add-ins
- Select the type of add-in you would like to disable in the Manage drop down
- Click Go
- Uncheck the add-ins you want to disable
- Click OK
Outlook 2003
- Go to Tools > Options > Other > Advanced Settings
- Select COM Add-ins and/or Add-in Manager
- Uncheck the add-ins you want to disable
- Click OK
Administrator Rights
For some add-ins you may receive the following error when disabling:
“The connected state of Office Add-Ins registered in HKEY_LOCAL_MACHINE cannot be changed.”
This indicates that Administrator rights are required to disable:
- Windows Vista - Close Outlook, right click the Outlook shortcut in the start bar, select Run As Administrator, enter your credentials and disable per the instructions above
- Windows XP - Log into your PC as an Administrator, make the changes above, log back in under your own account
Please see our list of known add-in conflicts if you are experiencing an issue with another Outlook add-in. If you're add-in isn't listed, please post the issue you are having in our forums. Thanks!

