Hi Elma. Thank you for coming to the forum. My name is Femi. It is worth noting that this is a user community, and we are all users here, much like yourself. While we strive to assist and share insights, we are not Microsoft directly.
I am sorry you are having trouble signing into outlook.com. I will try to help.
Can you please confirm the browser you're using to access outlook.com?
To troubleshoot this issue I recommend the following steps.
Clear your browser cache and cookies and try signing into your account again. See if the problem persists.
Sign into outlook.com in incognito mode to see if the issue continues.
Make sure that your browser is up to date. Check for updates and install it.
Disable extensions on your browser and check if the issue persists.
Let me know if this helps, otherwise we can try other solutions.
Regards
Femi