You can create a new Matter from any page of Matter365 application by using the shortcut from the application header (“+” in the upper right-hand corner).
Additionally, on Matters page, you can click “Create new Matter” button.
In
both cases, the following dialog will appear, and you can enter some
basic information about the Matter you’re about to create.
There are some restrictions when it comes to naming your Matters, some special characters can't be used. See the full list here: https://app.matter365.com/OfficeConstraints
Please Note: The Matter Name is NOT editable once a Matter has been created. The
Matter Name is used to create folders and pages in various Office365
Applications, so once the Matter has been created, the name cannot be changed. For more detailed explanation check out this article: Creating a Matter