To check the Service Health of Microsoft 365 services, log into https://admin.microsoft.com. Click Show All on the left:
Then Health->Service Health. You will see a list of all services:
Selecting Advisories will give you details on any current issues. In this case, “Users may be unable to create Skype for Business meetings for Outlook events through Outlook on the web”:
Click on Show Details to see more details:
You can also select View History from the previous screen to see more previous issues and their status:
Any issue can be selected for more details.
You can also select Message Center on the left to see messages such as new and updated features.
This will also provide information such as “How does this impact me?” and “What should I do to prepare for this change?”:
Messages fall into the categories: