Now disable unnecessary add-ins from Outlook email app, with help of following steps : If Microsoft Outlook gets started in safe mode, it means that ‘ Outlook failed to launch in safe mode ‘ error is occurring because of one of the available add-in. Finally, you will be able to work with Microsoft Outlook by opening it in the safe mode.If password protection is enabled in the chosen profile, enter the password in the current dialog box.

An Outlook opening dialog box appears in which you have to select the profile, which was showing ‘ Outlook could not start last time in Safe Mode ’ error.

Click on OK button to execute the command.

Press Ctrl+R key simultaneously on your PC and type Outlook.exe /Safe.

Workaround # 1: Start Microsoft Outlook in Safe Mode The workarounds explained here are applicable on all editions of Microsoft Outlook, which is installed on any of the present Windows OS. ‘Outlook Won’t Open in Safe Mode’ : All Possible Solutions One can take of this guide and eliminate the hurdle, which is stopping you from completing your task. Here, we came with free approaches that are possible to implement in order to fix this error message. He/she will be unable to start the email client and hence, unable to accomplish his / her task because the Outlook failed to launch in safe mode.

The ‘Outlook could not start last time in safe mode 2016 / 2013 on Windows 10’ error interrupts the ongoing work of a Microsoft user. Sometimes when you begin your day by opening Microsoft Outlook, you might encounter the following type of error dialog box:

Word failed to launch in safe mode