


Resolution #2: Create New Outlook Profile Repeat these steps till all the desired Add-ins are re-enabled.Click on the checkbox associated to the add-in that needs to be re-enabled.Click on File, then Options, and then Add-ins.With administrator rights, selecting an add-in and then clicking the Remove option would actually result in deleting the add-in. Remember that for resolution, you need to disable and not delete the add-in if you cannot start Outlook 2016. Note: You need to click on the checkbox to uncheck it. Once the titles of all the selected Add-ins are recorded, uncheck the selected checkboxes and click on OK.Capture a screenshot of the property sheet and then save image to the desired location.Take note of the title of every add-in manually displayed under Available Add-ins.When COM Add-ins list of the current add-ins is displayed, do either of the following as a preventive step:.Next at the bottom section of View and manage Office add-ins, check if the Manage box displays COM Add-ins, and select Go.Launch Outlook, Click on File, select Options and then Add-ins.Enter the password when it prompts and click on Accept.Choose Profiles dialog box will appear select Profile as Outlook (default) and click on OK.Type “Outlook / safe” and then select on OK.By doing this, you would be able to detect if add-ins are the actual cause behind the error message. Because we start Outlook is started in the safe mode, it starts without loading the add-ins. We have seen a lot of scenarios while add-ins conflicts with Outlook, therefore, running Outlook in the safe mode can help fix the error. Resolution #1: Launch Outlook in Safe Mode & Disable Add-ins Below are a few procedures that you can follow:

Cannot open the Outlook window,” you need to follow a few fixes to run Outlook with no errors. While starting Microsoft Office Outlook 2016 version or lower, if you receive an error message that reads “Cannot start Microsoft Office Outlook.
