Note 2: You certainly do not need to have all add-ins enabled for Outlook to work properly. Note 1: See this post if you get the error “The connected state of Office Add-Ins registered in HKEY_LOCAL_MACHINE cannot be changed.”. For some add-ins you'll need to restart Outlook for changes to take effect.At the “Manage” dropdown list at the bottom select which type of add-ins you would like to enable/disable.Excel for Microsoft 365 Word for Microsoft 365 Outlook for Microsoft 365 PowerPoint for Microsoft 365 Access for Microsoft 365 OneNote for Microsoft 365 Project Online Desktop Client Publisher for Microsoft 365 Visio Plan 2 Excel 2021 Word 2021 Outlook 2021 PowerPoint 2021 Access 2021 Project Professional 2021 Project Standard 2021 Publisher 2021 Visio Professional 2021 Visio Standard 2021 OneNote 2021 Excel 2019 Word 2019 Outlook 2019 PowerPoint 2019 Access 2019 Project Professional 2019 Project Standard 2019 Publisher 2019 Visio Professional 2019 Visio Standard 2019 Excel 2016 Word 2016 Outlook 2016 PowerPoint 2016 Access 2016 OneNote 2016 Project Professional 2016 Project Standard 2016 Publisher 2016 Visio Professional 2016 Visio Standard 2016 Excel 2013 Word 2013 Outlook 2013 PowerPoint 2013 Access 2013 OneNote 2013 Project Professional 2013 Project Standard 2013 Publisher 2013 Visio Professional 2013 Visio 2013 Excel 2010 Word 2010 Outlook 2010 PowerPoint 2010 Access 2010 OneNote 2010 Project 2010 Project Standard 2010 Publisher 2010 Visio Premium 2010 Visio 2010 Visio Standard 2010 Excel 2007 Word 2007 Outlook 2007 PowerPoint 2007 Access 2007 OneNote 2007 Publisher 2007 Visio 2007 Visio Standard 2007 InfoPath 2010 InfoPath 2013 InfoPath Filler 2013 SharePoint Workspace 2010 More.You can enable/disable add-ins in the following way Outlook 2007

Remove add ins from outlook