Yes, you can use your business email address with any desktop or mobile email app including Microsoft Outlook, Thunderbird, Airmail, etc.
These apps use IMAP or POP3 to fetch emails to your desktop client. You can save drafts locally when offline, use templates, and sync mail across your mobile and desktop devices.
Most of these apps can automatically figure out mail settings. You can also get these settings from Bluehost or Google Workspace documentation.