Outlook (Microsoft 365) on your desktop, inside Franz (formerly Office 365)
Run Office 365 (Outlook on the web) as a desktop app on Mac, Windows, and Linux, with multiple accounts and notifications, in Franz.
- macOS
- Windows
- Linux
Office 365 (Outlook on the web) is how a lot of companies handle work mail without installing the full desktop Outlook suite, and the browser client does the job well. The friction starts when that single tab has to share a window with your team chat, your personal mail, and everything else open at once. Franz loads the full outlook.office365.com web app as a dedicated desktop service, so your work inbox lives in the sidebar as its own tab instead of getting lost among the rest of your browser.
Work mail and personal mail side by side
Because Franz keeps each service in its own session, you can run your Office 365 (Outlook on the web) work account in one tab and a personal mailbox in another, signed in to both at the same time without the sign-out dance the browser forces on you. If you support more than one Microsoft 365 tenant, you can add the service again for each, and every tab keeps its own login, its own unread badge, and its own session. That separation means a busy work inbox never bleeds into your personal mail, and a red dot always points at exactly the right account.
Notifications tuned to your inbox
Franz surfaces native desktop notifications for Office 365 (Outlook on the web), so a new message reaches you on the desktop the moment it arrives rather than waiting silently behind another window. The unread badge on the tab keeps a live count, and because the mailbox runs as its own service, it keeps alerting you even while you are focused elsewhere. You stay responsive to work mail without keeping a browser tab parked open all day just to see what came in.
The same setup on every operating system
Franz is a native desktop app for macOS, Windows, and Linux, and Office 365 (Outlook on the web) behaves identically across all three, with a real dock or taskbar badge and the same notifications regardless of platform. If your company runs a mix of Macs, Windows machines, and Linux boxes, your inbox setup feels the same everywhere instead of being relearned per device. It is the simplest way to give your Microsoft 365 mail a steady desktop home without the weight of the full installed client.
Other Email services
Frequently asked questions
Which platforms does Outlook (Microsoft 365) work on in Franz?
Franz runs Outlook (Microsoft 365) as a native desktop app on macOS, Windows, and Linux, with the same notifications, badges, and fast switching on every operating system.
Can I use multiple Outlook (Microsoft 365) accounts at once?
Yes. Franz lets you add Outlook (Microsoft 365) as many times as you need, one tab per account, all signed in at once. Each tab keeps its own session and unread badge, so you never sign out of one to check another.
Is Outlook (Microsoft 365) in Franz free?
Franz is free to use with Outlook (Microsoft 365) and every other service. A free account covers the essentials and takes minutes to set up; paid plans add extra features, but running Outlook (Microsoft 365) in Franz costs nothing to start.