Outlook is not working on Macbook

Hi,

All of a sudden Outlook stopped working on my Macbook Retina (Model: A1502 Late 2013, OS 10.13.6). I uninstalled Outlook and re-installed through Office 365 subscription (Microsoft_Office_16.35.20030802_BusinessPro_Install.pkg) but still having the same issue. Any suggestions in this regard?

Thanks with regards,

Farhad