Even I closed Outlook, it is still running in a background. You can launch windows task manager and see OUTLOOK.exe process there. Yes, when there are new emails it still alert me which is a little annoying.
I searched and found out that this problem has a big chance to be caused by Outlook plugin. You can try the solution below which is from Microsoft:
1. Close Outlook and kill OUTLOOK.exe in windows task manager
· Press the windows key+R on the keyboard to open the Run window.
· In Run window and type outlook /safe
Note: There is a space between 'outlook' and '/'.
2. If you are able to work with Outlook without any problem then the issue might be due to add-ins. In order to disable the add-ins follow the steps given below:
· In Outlook, click on File< Options< Add-ins.
· Under Manage select COM Add-ins.
· Click on GO options beside Manage, uncheck all the add-ins and click Ok. (You you can uncheck the add-ins you don't think you need most of the time)
· Try to open Outlook and check if it works fine.
I now can have it Outlook cleanly closed.
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