Opening the To Do link to the flagged email does not work

[Gil_Help]

Hello,

When I try to open a flagged email from To Do, Outlook web application tries to open but get stuck. 

Anyone could help?

Many thanks

kr,

Gil

[#2]

Hi again,

To give a better picture of the problem, I've attached a screenshot.

When I try to open the outlook link in To Do, an Edge window opens and stays stuck in launching.

thanks for the help

regards