Many web hosting companies offer Office 365 or Google Workspace, but it is better to NOT signup to either of these through your hosting company. You will have more control if you signup directly with Google or Microsoft. Hosting offers are usually not the full plan and are further complicated by being tied to your hosting or domain registration provider.
GoogleWorkspace (sign up directly with Google) – https://workspace.google.com Email hosting for small business. Also integrates with other Google tools, which is nice.